15677738920

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{967}}^1\times {\mathrm{991}}^1$

素因数の和:2378

約数の個数: 64

約数和(自身を含む): 35433446400

約数和(自身を除く): 19755707480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 967, 991, 1636, 1934, 1982, 2045, 3272, 3868, 3964, 4090, 4835, 4955, 7736, 7928, 8180, 9670, 9910, 16360, 19340, 19820, 38680, 39640, 395503, 405319, 791006, 810638, 958297, 1582012, 1621276, 1916594, 1977515, 2026595, 3164024, 3242552, 3833188, 3955030, 4053190, 4791485, 7666376, 7910060, 8106380, 9582970, 15820120, 16212760, 19165940, 38331880, 391943473, 783886946, 1567773892, 1959717365, 3135547784, 3919434730, 7838869460, 15677738920]

約数ペア:

[(1, 15677738920), (2, 7838869460), (4, 3919434730), (5, 3135547784), (8, 1959717365), (10, 1567773892), (20, 783886946), (40, 391943473), (409, 38331880), (818, 19165940), (967, 16212760), (991, 15820120), (1636, 9582970), (1934, 8106380), (1982, 7910060), (2045, 7666376), (3272, 4791485), (3868, 4053190), (3964, 3955030), (4090, 3833188), (4835, 3242552), (4955, 3164024), (7736, 2026595), (7928, 1977515), (8180, 1916594), (9670, 1621276), (9910, 1582012), (16360, 958297), (19340, 810638), (19820, 791006), (38680, 405319), (39640, 395503)]