69102020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4357}}^1$

素因数の和:4440

約数の個数: 48

約数和(自身を含む): 158875248

約数和(自身を除く): 89773228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 4357, 7930, 8714, 15860, 17428, 21785, 43570, 56641, 87140, 113282, 226564, 265777, 283205, 531554, 566410, 1063108, 1132820, 1328885, 2657770, 3455101, 5315540, 6910202, 13820404, 17275505, 34551010, 69102020]

約数ペア:

[(1, 69102020), (2, 34551010), (4, 17275505), (5, 13820404), (10, 6910202), (13, 5315540), (20, 3455101), (26, 2657770), (52, 1328885), (61, 1132820), (65, 1063108), (122, 566410), (130, 531554), (244, 283205), (260, 265777), (305, 226564), (610, 113282), (793, 87140), (1220, 56641), (1586, 43570), (3172, 21785), (3965, 17428), (4357, 15860), (7930, 8714)]