55156820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 118540800

約数和(自身を除く): 63383980

約数列:

[1, 2, 4, 5, 10, 20, 83, 149, 166, 223, 298, 332, 415, 446, 596, 745, 830, 892, 1115, 1490, 1660, 2230, 2980, 4460, 12367, 18509, 24734, 33227, 37018, 49468, 61835, 66454, 74036, 92545, 123670, 132908, 166135, 185090, 247340, 332270, 370180, 664540, 2757841, 5515682, 11031364, 13789205, 27578410, 55156820]

約数ペア:

[(1, 55156820), (2, 27578410), (4, 13789205), (5, 11031364), (10, 5515682), (20, 2757841), (83, 664540), (149, 370180), (166, 332270), (223, 247340), (298, 185090), (332, 166135), (415, 132908), (446, 123670), (596, 92545), (745, 74036), (830, 66454), (892, 61835), (1115, 49468), (1490, 37018), (1660, 33227), (2230, 24734), (2980, 18509), (4460, 12367)]