71843980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276323}}^1$

素因数の和:276345

約数の個数: 24

約数和(自身を含む): 162478512

約数和(自身を除く): 90634532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 276323, 552646, 1105292, 1381615, 2763230, 3592199, 5526460, 7184398, 14368796, 17960995, 35921990, 71843980]

約数ペア:

[(1, 71843980), (2, 35921990), (4, 17960995), (5, 14368796), (10, 7184398), (13, 5526460), (20, 3592199), (26, 2763230), (52, 1381615), (65, 1105292), (130, 552646), (260, 276323)]