515819120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{63839}}^1$

素因数の和:63953

約数の個数: 40

約数和(自身を含む): 1211172480

約数和(自身を除く): 695353360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 63839, 127678, 255356, 319195, 510712, 638390, 1021424, 1276780, 2553560, 5107120, 6447739, 12895478, 25790956, 32238695, 51581912, 64477390, 103163824, 128954780, 257909560, 515819120]

約数ペア:

[(1, 515819120), (2, 257909560), (4, 128954780), (5, 103163824), (8, 64477390), (10, 51581912), (16, 32238695), (20, 25790956), (40, 12895478), (80, 6447739), (101, 5107120), (202, 2553560), (404, 1276780), (505, 1021424), (808, 638390), (1010, 510712), (1616, 319195), (2020, 255356), (4040, 127678), (8080, 63839)]