2480996920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{9281}}^1$

素因数の和:9496

約数の個数: 64

約数和(自身を含む): 5754097440

約数和(自身を除く): 3273100520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 652, 815, 820, 1304, 1630, 1640, 3260, 6520, 6683, 9281, 13366, 18562, 26732, 33415, 37124, 46405, 53464, 66830, 74248, 92810, 133660, 185620, 267320, 371240, 380521, 761042, 1512803, 1522084, 1902605, 3025606, 3044168, 3805210, 6051212, 7564015, 7610420, 12102424, 15128030, 15220840, 30256060, 60512120, 62024923, 124049846, 248099692, 310124615, 496199384, 620249230, 1240498460, 2480996920]

約数ペア:

[(1, 2480996920), (2, 1240498460), (4, 620249230), (5, 496199384), (8, 310124615), (10, 248099692), (20, 124049846), (40, 62024923), (41, 60512120), (82, 30256060), (163, 15220840), (164, 15128030), (205, 12102424), (326, 7610420), (328, 7564015), (410, 6051212), (652, 3805210), (815, 3044168), (820, 3025606), (1304, 1902605), (1630, 1522084), (1640, 1512803), (3260, 761042), (6520, 380521), (6683, 371240), (9281, 267320), (13366, 185620), (18562, 133660), (26732, 92810), (33415, 74248), (37124, 66830), (46405, 53464)]