20162790500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{124847}}^1$

素因数の和:124902

約数の個数: 96

約数和(自身を含む): 49080245760

約数和(自身を除く): 28917455260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 125, 170, 190, 250, 323, 340, 380, 425, 475, 500, 646, 850, 950, 1292, 1615, 1700, 1900, 2125, 2375, 3230, 4250, 4750, 6460, 8075, 8500, 9500, 16150, 32300, 40375, 80750, 124847, 161500, 249694, 499388, 624235, 1248470, 2122399, 2372093, 2496940, 3121175, 4244798, 4744186, 6242350, 8489596, 9488372, 10611995, 11860465, 12484700, 15605875, 21223990, 23720930, 31211750, 40325581, 42447980, 47441860, 53059975, 59302325, 62423500, 80651162, 106119950, 118604650, 161302324, 201627905, 212239900, 237209300, 265299875, 296511625, 403255810, 530599750, 593023250, 806511620, 1008139525, 1061199500, 1186046500, 2016279050, 4032558100, 5040697625, 10081395250, 20162790500]

約数ペア:

[(1, 20162790500), (2, 10081395250), (4, 5040697625), (5, 4032558100), (10, 2016279050), (17, 1186046500), (19, 1061199500), (20, 1008139525), (25, 806511620), (34, 593023250), (38, 530599750), (50, 403255810), (68, 296511625), (76, 265299875), (85, 237209300), (95, 212239900), (100, 201627905), (125, 161302324), (170, 118604650), (190, 106119950), (250, 80651162), (323, 62423500), (340, 59302325), (380, 53059975), (425, 47441860), (475, 42447980), (500, 40325581), (646, 31211750), (850, 23720930), (950, 21223990), (1292, 15605875), (1615, 12484700), (1700, 11860465), (1900, 10611995), (2125, 9488372), (2375, 8489596), (3230, 6242350), (4250, 4744186), (4750, 4244798), (6460, 3121175), (8075, 2496940), (8500, 2372093), (9500, 2122399), (16150, 1248470), (32300, 624235), (40375, 499388), (80750, 249694), (124847, 161500)]