82752020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10267}}^1$

素因数の和:10320

約数の個数: 48

約数和(自身を含む): 193202688

約数和(自身を除く): 110450668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10267, 20534, 41068, 51335, 102670, 133471, 205340, 266942, 318277, 533884, 636554, 667355, 1273108, 1334710, 1591385, 2669420, 3182770, 4137601, 6365540, 8275202, 16550404, 20688005, 41376010, 82752020]

約数ペア:

[(1, 82752020), (2, 41376010), (4, 20688005), (5, 16550404), (10, 8275202), (13, 6365540), (20, 4137601), (26, 3182770), (31, 2669420), (52, 1591385), (62, 1334710), (65, 1273108), (124, 667355), (130, 636554), (155, 533884), (260, 318277), (310, 266942), (403, 205340), (620, 133471), (806, 102670), (1612, 51335), (2015, 41068), (4030, 20534), (8060, 10267)]