20278922800

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{56393}}^1$

素因数の和:56471

約数の個数: 120

約数和(自身を含む): 52026848640

約数和(自身を除く): 31747925840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 40, 50, 58, 62, 80, 100, 116, 124, 145, 155, 200, 232, 248, 290, 310, 400, 464, 496, 580, 620, 725, 775, 899, 1160, 1240, 1450, 1550, 1798, 2320, 2480, 2900, 3100, 3596, 4495, 5800, 6200, 7192, 8990, 11600, 12400, 14384, 17980, 22475, 35960, 44950, 56393, 71920, 89900, 112786, 179800, 225572, 281965, 359600, 451144, 563930, 902288, 1127860, 1409825, 1635397, 1748183, 2255720, 2819650, 3270794, 3496366, 4511440, 5639300, 6541588, 6992732, 8176985, 8740915, 11278600, 13083176, 13985464, 16353970, 17481830, 22557200, 26166352, 27970928, 32707940, 34963660, 40884925, 43704575, 50697307, 65415880, 69927320, 81769850, 87409150, 101394614, 130831760, 139854640, 163539700, 174818300, 202789228, 253486535, 327079400, 349636600, 405578456, 506973070, 654158800, 699273200, 811156912, 1013946140, 1267432675, 2027892280, 2534865350, 4055784560, 5069730700, 10139461400, 20278922800]

約数ペア:

[(1, 20278922800), (2, 10139461400), (4, 5069730700), (5, 4055784560), (8, 2534865350), (10, 2027892280), (16, 1267432675), (20, 1013946140), (25, 811156912), (29, 699273200), (31, 654158800), (40, 506973070), (50, 405578456), (58, 349636600), (62, 327079400), (80, 253486535), (100, 202789228), (116, 174818300), (124, 163539700), (145, 139854640), (155, 130831760), (200, 101394614), (232, 87409150), (248, 81769850), (290, 69927320), (310, 65415880), (400, 50697307), (464, 43704575), (496, 40884925), (580, 34963660), (620, 32707940), (725, 27970928), (775, 26166352), (899, 22557200), (1160, 17481830), (1240, 16353970), (1450, 13985464), (1550, 13083176), (1798, 11278600), (2320, 8740915), (2480, 8176985), (2900, 6992732), (3100, 6541588), (3596, 5639300), (4495, 4511440), (5800, 3496366), (6200, 3270794), (7192, 2819650), (8990, 2255720), (11600, 1748183), (12400, 1635397), (14384, 1409825), (17980, 1127860), (22475, 902288), (35960, 563930), (44950, 451144), (56393, 359600), (71920, 281965), (89900, 225572), (112786, 179800)]