128520340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29077}}^1$

素因数の和:29116

約数の個数: 48

約数和(自身を含む): 307761552

約数和(自身を除く): 179241212

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 29077, 58154, 116308, 145385, 290770, 378001, 494309, 581540, 756002, 988618, 1512004, 1890005, 1977236, 2471545, 3780010, 4943090, 6426017, 7560020, 9886180, 12852034, 25704068, 32130085, 64260170, 128520340]

約数ペア:

[(1, 128520340), (2, 64260170), (4, 32130085), (5, 25704068), (10, 12852034), (13, 9886180), (17, 7560020), (20, 6426017), (26, 4943090), (34, 3780010), (52, 2471545), (65, 1977236), (68, 1890005), (85, 1512004), (130, 988618), (170, 756002), (221, 581540), (260, 494309), (340, 378001), (442, 290770), (884, 145385), (1105, 116308), (2210, 58154), (4420, 29077)]