155275640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{298607}}^1$

素因数の和:298631

約数の個数: 32

約数和(自身を含む): 376246080

約数和(自身を除く): 220970440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 298607, 597214, 1194428, 1493035, 2388856, 2986070, 3881891, 5972140, 7763782, 11944280, 15527564, 19409455, 31055128, 38818910, 77637820, 155275640]

約数ペア:

[(1, 155275640), (2, 77637820), (4, 38818910), (5, 31055128), (8, 19409455), (10, 15527564), (13, 11944280), (20, 7763782), (26, 5972140), (40, 3881891), (52, 2986070), (65, 2388856), (104, 1493035), (130, 1194428), (260, 597214), (520, 298607)]