85909720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165211}}^1$

素因数の和:165235

約数の個数: 32

約数和(自身を含む): 208167120

約数和(自身を除く): 122257400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 165211, 330422, 660844, 826055, 1321688, 1652110, 2147743, 3304220, 4295486, 6608440, 8590972, 10738715, 17181944, 21477430, 42954860, 85909720]

約数ペア:

[(1, 85909720), (2, 42954860), (4, 21477430), (5, 17181944), (8, 10738715), (10, 8590972), (13, 6608440), (20, 4295486), (26, 3304220), (40, 2147743), (52, 1652110), (65, 1321688), (104, 826055), (130, 660844), (260, 330422), (520, 165211)]