19875683600

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{39847}}^1$

素因数の和:39937

約数の個数: 120

約数和(自身を含む): 50547984960

約数和(自身を除く): 30672301360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 43, 50, 58, 80, 86, 100, 116, 145, 172, 200, 215, 232, 290, 344, 400, 430, 464, 580, 688, 725, 860, 1075, 1160, 1247, 1450, 1720, 2150, 2320, 2494, 2900, 3440, 4300, 4988, 5800, 6235, 8600, 9976, 11600, 12470, 17200, 19952, 24940, 31175, 39847, 49880, 62350, 79694, 99760, 124700, 159388, 199235, 249400, 318776, 398470, 498800, 637552, 796940, 996175, 1155563, 1593880, 1713421, 1992350, 2311126, 3187760, 3426842, 3984700, 4622252, 5777815, 6853684, 7969400, 8567105, 9244504, 11555630, 13707368, 15938800, 17134210, 18489008, 23111260, 27414736, 28889075, 34268420, 42835525, 46222520, 49689209, 57778150, 68536840, 85671050, 92445040, 99378418, 115556300, 137073680, 171342100, 198756836, 231112600, 248446045, 342684200, 397513672, 462225200, 496892090, 685368400, 795027344, 993784180, 1242230225, 1987568360, 2484460450, 3975136720, 4968920900, 9937841800, 19875683600]

約数ペア:

[(1, 19875683600), (2, 9937841800), (4, 4968920900), (5, 3975136720), (8, 2484460450), (10, 1987568360), (16, 1242230225), (20, 993784180), (25, 795027344), (29, 685368400), (40, 496892090), (43, 462225200), (50, 397513672), (58, 342684200), (80, 248446045), (86, 231112600), (100, 198756836), (116, 171342100), (145, 137073680), (172, 115556300), (200, 99378418), (215, 92445040), (232, 85671050), (290, 68536840), (344, 57778150), (400, 49689209), (430, 46222520), (464, 42835525), (580, 34268420), (688, 28889075), (725, 27414736), (860, 23111260), (1075, 18489008), (1160, 17134210), (1247, 15938800), (1450, 13707368), (1720, 11555630), (2150, 9244504), (2320, 8567105), (2494, 7969400), (2900, 6853684), (3440, 5777815), (4300, 4622252), (4988, 3984700), (5800, 3426842), (6235, 3187760), (8600, 2311126), (9976, 1992350), (11600, 1713421), (12470, 1593880), (17200, 1155563), (19952, 996175), (24940, 796940), (31175, 637552), (39847, 498800), (49880, 398470), (62350, 318776), (79694, 249400), (99760, 199235), (124700, 159388)]