888927560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{859}}^1$

素因数の和:1542

約数の個数: 64

約数和(自身を含む): 2054505600

約数和(自身を除く): 1165578040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 631, 820, 859, 1262, 1640, 1718, 2524, 3155, 3436, 4295, 5048, 6310, 6872, 8590, 12620, 17180, 25240, 25871, 34360, 35219, 51742, 70438, 103484, 129355, 140876, 176095, 206968, 258710, 281752, 352190, 517420, 542029, 704380, 1034840, 1084058, 1408760, 2168116, 2710145, 4336232, 5420290, 10840580, 21681160, 22223189, 44446378, 88892756, 111115945, 177785512, 222231890, 444463780, 888927560]

約数ペア:

[(1, 888927560), (2, 444463780), (4, 222231890), (5, 177785512), (8, 111115945), (10, 88892756), (20, 44446378), (40, 22223189), (41, 21681160), (82, 10840580), (164, 5420290), (205, 4336232), (328, 2710145), (410, 2168116), (631, 1408760), (820, 1084058), (859, 1034840), (1262, 704380), (1640, 542029), (1718, 517420), (2524, 352190), (3155, 281752), (3436, 258710), (4295, 206968), (5048, 176095), (6310, 140876), (6872, 129355), (8590, 103484), (12620, 70438), (17180, 51742), (25240, 35219), (25871, 34360)]