145169960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279173}}^1$

素因数の和:279197

約数の個数: 32

約数和(自身を含む): 351759240

約数和(自身を除く): 206589280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 279173, 558346, 1116692, 1395865, 2233384, 2791730, 3629249, 5583460, 7258498, 11166920, 14516996, 18146245, 29033992, 36292490, 72584980, 145169960]

約数ペア:

[(1, 145169960), (2, 72584980), (4, 36292490), (5, 29033992), (8, 18146245), (10, 14516996), (13, 11166920), (20, 7258498), (26, 5583460), (40, 3629249), (52, 2791730), (65, 2233384), (104, 1395865), (130, 1116692), (260, 558346), (520, 279173)]