8609900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 20779920

約数和(自身を除く): 12170020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 179, 185, 260, 325, 358, 370, 481, 650, 716, 740, 895, 925, 962, 1300, 1790, 1850, 1924, 2327, 2405, 3580, 3700, 4475, 4654, 4810, 6623, 8950, 9308, 9620, 11635, 12025, 13246, 17900, 23270, 24050, 26492, 33115, 46540, 48100, 58175, 66230, 86099, 116350, 132460, 165575, 172198, 232700, 331150, 344396, 430495, 662300, 860990, 1721980, 2152475, 4304950, 8609900]

約数ペア:

[(1, 8609900), (2, 4304950), (4, 2152475), (5, 1721980), (10, 860990), (13, 662300), (20, 430495), (25, 344396), (26, 331150), (37, 232700), (50, 172198), (52, 165575), (65, 132460), (74, 116350), (100, 86099), (130, 66230), (148, 58175), (179, 48100), (185, 46540), (260, 33115), (325, 26492), (358, 24050), (370, 23270), (481, 17900), (650, 13246), (716, 12025), (740, 11635), (895, 9620), (925, 9308), (962, 8950), (1300, 6623), (1790, 4810), (1850, 4654), (1924, 4475), (2327, 3700), (2405, 3580)]