79997360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32257}}^1$

素因数の和:32301

約数の個数: 40

約数和(自身を含む): 191999616

約数和(自身を除く): 112002256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32257, 64514, 129028, 161285, 258056, 322570, 516112, 645140, 999967, 1290280, 1999934, 2580560, 3999868, 4999835, 7999736, 9999670, 15999472, 19999340, 39998680, 79997360]

約数ペア:

[(1, 79997360), (2, 39998680), (4, 19999340), (5, 15999472), (8, 9999670), (10, 7999736), (16, 4999835), (20, 3999868), (31, 2580560), (40, 1999934), (62, 1290280), (80, 999967), (124, 645140), (155, 516112), (248, 322570), (310, 258056), (496, 161285), (620, 129028), (1240, 64514), (2480, 32257)]