137166640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131891}}^1$

素因数の和:131917

約数の個数: 40

約数和(自身を含む): 343446768

約数和(自身を除く): 206280128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 131891, 263782, 527564, 659455, 1055128, 1318910, 1714583, 2110256, 2637820, 3429166, 5275640, 6858332, 8572915, 10551280, 13716664, 17145830, 27433328, 34291660, 68583320, 137166640]

約数ペア:

[(1, 137166640), (2, 68583320), (4, 34291660), (5, 27433328), (8, 17145830), (10, 13716664), (13, 10551280), (16, 8572915), (20, 6858332), (26, 5275640), (40, 3429166), (52, 2637820), (65, 2110256), (80, 1714583), (104, 1318910), (130, 1055128), (208, 659455), (260, 527564), (520, 263782), (1040, 131891)]