520000880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3853}}^1$

素因数の和:4114

約数の個数: 80

約数和(自身を含む): 1387809984

約数和(自身を除く): 867809104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 482, 560, 964, 1205, 1687, 1928, 2410, 3374, 3853, 3856, 4820, 6748, 7706, 8435, 9640, 13496, 15412, 16870, 19265, 19280, 26971, 26992, 30824, 33740, 38530, 53942, 61648, 67480, 77060, 107884, 134855, 134960, 154120, 215768, 269710, 308240, 431536, 539420, 928573, 1078840, 1857146, 2157680, 3714292, 4642865, 6500011, 7428584, 9285730, 13000022, 14857168, 18571460, 26000044, 32500055, 37142920, 52000088, 65000110, 74285840, 104000176, 130000220, 260000440, 520000880]

約数ペア:

[(1, 520000880), (2, 260000440), (4, 130000220), (5, 104000176), (7, 74285840), (8, 65000110), (10, 52000088), (14, 37142920), (16, 32500055), (20, 26000044), (28, 18571460), (35, 14857168), (40, 13000022), (56, 9285730), (70, 7428584), (80, 6500011), (112, 4642865), (140, 3714292), (241, 2157680), (280, 1857146), (482, 1078840), (560, 928573), (964, 539420), (1205, 431536), (1687, 308240), (1928, 269710), (2410, 215768), (3374, 154120), (3853, 134960), (3856, 134855), (4820, 107884), (6748, 77060), (7706, 67480), (8435, 61648), (9640, 53942), (13496, 38530), (15412, 33740), (16870, 30824), (19265, 26992), (19280, 26971)]