166992020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37781}}^1$

素因数の和:37820

約数の個数: 48

約数和(自身を含む): 399884688

約数和(自身を除く): 232892668

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, 37781, 75562, 151124, 188905, 377810, 491153, 642277, 755620, 982306, 1284554, 1964612, 2455765, 2569108, 3211385, 4911530, 6422770, 8349601, 9823060, 12845540, 16699202, 33398404, 41748005, 83496010, 166992020]

約数ペア:

[(1, 166992020), (2, 83496010), (4, 41748005), (5, 33398404), (10, 16699202), (13, 12845540), (17, 9823060), (20, 8349601), (26, 6422770), (34, 4911530), (52, 3211385), (65, 2569108), (68, 2455765), (85, 1964612), (130, 1284554), (170, 982306), (221, 755620), (260, 642277), (340, 491153), (442, 377810), (884, 188905), (1105, 151124), (2210, 75562), (4420, 37781)]