85961720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165311}}^1$

素因数の和:165335

約数の個数: 32

約数和(自身を含む): 208293120

約数和(自身を除く): 122331400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 165311, 330622, 661244, 826555, 1322488, 1653110, 2149043, 3306220, 4298086, 6612440, 8596172, 10745215, 17192344, 21490430, 42980860, 85961720]

約数ペア:

[(1, 85961720), (2, 42980860), (4, 21490430), (5, 17192344), (8, 10745215), (10, 8596172), (13, 6612440), (20, 4298086), (26, 3306220), (40, 2149043), (52, 1653110), (65, 1322488), (104, 826555), (130, 661244), (260, 330622), (520, 165311)]