204461120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20611}}^1$

素因数の和:20659

約数の個数: 56

約数和(自身を含む): 502603008

約数和(自身を除く): 298141888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20611, 41222, 82444, 103055, 164888, 206110, 329776, 412220, 638941, 659552, 824440, 1277882, 1319104, 1648880, 2555764, 3194705, 3297760, 5111528, 6389410, 6595520, 10223056, 12778820, 20446112, 25557640, 40892224, 51115280, 102230560, 204461120]

約数ペア:

[(1, 204461120), (2, 102230560), (4, 51115280), (5, 40892224), (8, 25557640), (10, 20446112), (16, 12778820), (20, 10223056), (31, 6595520), (32, 6389410), (40, 5111528), (62, 3297760), (64, 3194705), (80, 2555764), (124, 1648880), (155, 1319104), (160, 1277882), (248, 824440), (310, 659552), (320, 638941), (496, 412220), (620, 329776), (992, 206110), (1240, 164888), (1984, 103055), (2480, 82444), (4960, 41222), (9920, 20611)]