49854820

素因数分解:

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

素因数の和:652

約数の個数: 48

約数和(自身を含む): 108896256

約数和(自身を除く): 59041436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 421, 620, 764, 842, 955, 1684, 1910, 2105, 3820, 4210, 5921, 8420, 11842, 13051, 23684, 26102, 29605, 52204, 59210, 65255, 80411, 118420, 130510, 160822, 261020, 321644, 402055, 804110, 1608220, 2492741, 4985482, 9970964, 12463705, 24927410, 49854820]

約数ペア:

[(1, 49854820), (2, 24927410), (4, 12463705), (5, 9970964), (10, 4985482), (20, 2492741), (31, 1608220), (62, 804110), (124, 402055), (155, 321644), (191, 261020), (310, 160822), (382, 130510), (421, 118420), (620, 80411), (764, 65255), (842, 59210), (955, 52204), (1684, 29605), (1910, 26102), (2105, 23684), (3820, 13051), (4210, 11842), (5921, 8420)]