260329940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32299}}^1$

素因数の和:32352

約数の個数: 48

約数和(自身を含む): 607756800

約数和(自身を除く): 347426860

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, 32299, 64598, 129196, 161495, 322990, 419887, 645980, 839774, 1001269, 1679548, 2002538, 2099435, 4005076, 4198870, 5006345, 8397740, 10012690, 13016497, 20025380, 26032994, 52065988, 65082485, 130164970, 260329940]

約数ペア:

[(1, 260329940), (2, 130164970), (4, 65082485), (5, 52065988), (10, 26032994), (13, 20025380), (20, 13016497), (26, 10012690), (31, 8397740), (52, 5006345), (62, 4198870), (65, 4005076), (124, 2099435), (130, 2002538), (155, 1679548), (260, 1001269), (310, 839774), (403, 645980), (620, 419887), (806, 322990), (1612, 161495), (2015, 129196), (4030, 64598), (8060, 32299)]