99709640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 233349120

約数和(自身を除く): 133639480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 382, 421, 620, 764, 842, 955, 1240, 1528, 1684, 1910, 2105, 3368, 3820, 4210, 5921, 7640, 8420, 11842, 13051, 16840, 23684, 26102, 29605, 47368, 52204, 59210, 65255, 80411, 104408, 118420, 130510, 160822, 236840, 261020, 321644, 402055, 522040, 643288, 804110, 1608220, 2492741, 3216440, 4985482, 9970964, 12463705, 19941928, 24927410, 49854820, 99709640]

約数ペア:

[(1, 99709640), (2, 49854820), (4, 24927410), (5, 19941928), (8, 12463705), (10, 9970964), (20, 4985482), (31, 3216440), (40, 2492741), (62, 1608220), (124, 804110), (155, 643288), (191, 522040), (248, 402055), (310, 321644), (382, 261020), (421, 236840), (620, 160822), (764, 130510), (842, 118420), (955, 104408), (1240, 80411), (1528, 65255), (1684, 59210), (1910, 52204), (2105, 47368), (3368, 29605), (3820, 26102), (4210, 23684), (5921, 16840), (7640, 13051), (8420, 11842)]