201725680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6257}}^1$

素因数の和:6314

約数の個数: 80

約数和(自身を含む): 521466624

約数和(自身を除く): 319740944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6257, 6448, 8060, 12514, 16120, 25028, 31285, 32240, 50056, 62570, 81341, 100112, 125140, 162682, 193967, 250280, 325364, 387934, 406705, 500560, 650728, 775868, 813410, 969835, 1301456, 1551736, 1626820, 1939670, 2521571, 3103472, 3253640, 3879340, 5043142, 6507280, 7758680, 10086284, 12607855, 15517360, 20172568, 25215710, 40345136, 50431420, 100862840, 201725680]

約数ペア:

[(1, 201725680), (2, 100862840), (4, 50431420), (5, 40345136), (8, 25215710), (10, 20172568), (13, 15517360), (16, 12607855), (20, 10086284), (26, 7758680), (31, 6507280), (40, 5043142), (52, 3879340), (62, 3253640), (65, 3103472), (80, 2521571), (104, 1939670), (124, 1626820), (130, 1551736), (155, 1301456), (208, 969835), (248, 813410), (260, 775868), (310, 650728), (403, 500560), (496, 406705), (520, 387934), (620, 325364), (806, 250280), (1040, 193967), (1240, 162682), (1612, 125140), (2015, 100112), (2480, 81341), (3224, 62570), (4030, 50056), (6257, 32240), (6448, 31285), (8060, 25028), (12514, 16120)]