90259910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22397}}^1$

素因数の和:22448

約数の個数: 32

約数和(自身を含む): 180617472

約数和(自身を除く): 90357562

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 22397, 44794, 111985, 223970, 291161, 582322, 694307, 1388614, 1455805, 2911610, 3471535, 6943070, 9025991, 18051982, 45129955, 90259910]

約数ペア:

[(1, 90259910), (2, 45129955), (5, 18051982), (10, 9025991), (13, 6943070), (26, 3471535), (31, 2911610), (62, 1455805), (65, 1388614), (130, 694307), (155, 582322), (310, 291161), (403, 223970), (806, 111985), (2015, 44794), (4030, 22397)]