71952920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138371}}^1$

素因数の和:138395

約数の個数: 32

約数和(自身を含む): 174348720

約数和(自身を除く): 102395800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138371, 276742, 553484, 691855, 1106968, 1383710, 1798823, 2767420, 3597646, 5534840, 7195292, 8994115, 14390584, 17988230, 35976460, 71952920]

約数ペア:

[(1, 71952920), (2, 35976460), (4, 17988230), (5, 14390584), (8, 8994115), (10, 7195292), (13, 5534840), (20, 3597646), (26, 2767420), (40, 1798823), (52, 1383710), (65, 1106968), (104, 691855), (130, 553484), (260, 276742), (520, 138371)]