61027220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 133152768

約数和(自身を除く): 72125548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 383, 514, 620, 766, 1028, 1285, 1532, 1915, 2570, 3830, 5140, 7660, 7967, 11873, 15934, 23746, 31868, 39835, 47492, 59365, 79670, 98431, 118730, 159340, 196862, 237460, 393724, 492155, 984310, 1968620, 3051361, 6102722, 12205444, 15256805, 30513610, 61027220]

約数ペア:

[(1, 61027220), (2, 30513610), (4, 15256805), (5, 12205444), (10, 6102722), (20, 3051361), (31, 1968620), (62, 984310), (124, 492155), (155, 393724), (257, 237460), (310, 196862), (383, 159340), (514, 118730), (620, 98431), (766, 79670), (1028, 59365), (1285, 47492), (1532, 39835), (1915, 31868), (2570, 23746), (3830, 15934), (5140, 11873), (7660, 7967)]