10320830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 20870784

約数和(自身を除く): 10549954

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 197, 310, 338, 394, 403, 806, 845, 985, 1690, 1970, 2015, 2561, 4030, 5122, 5239, 6107, 10478, 12214, 12805, 25610, 26195, 30535, 33293, 52390, 61070, 66586, 79391, 158782, 166465, 332930, 396955, 793910, 1032083, 2064166, 5160415, 10320830]

約数ペア:

[(1, 10320830), (2, 5160415), (5, 2064166), (10, 1032083), (13, 793910), (26, 396955), (31, 332930), (62, 166465), (65, 158782), (130, 79391), (155, 66586), (169, 61070), (197, 52390), (310, 33293), (338, 30535), (394, 26195), (403, 25610), (806, 12805), (845, 12214), (985, 10478), (1690, 6107), (1970, 5239), (2015, 5122), (2561, 4030)]