40165970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3911}}^1$

素因数の和:4010

約数の個数: 32

約数和(自身を含む): 78865920

約数和(自身を除く): 38699950

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 3911, 5135, 7822, 10270, 19555, 39110, 50843, 101686, 254215, 308969, 508430, 617938, 1544845, 3089690, 4016597, 8033194, 20082985, 40165970]

約数ペア:

[(1, 40165970), (2, 20082985), (5, 8033194), (10, 4016597), (13, 3089690), (26, 1544845), (65, 617938), (79, 508430), (130, 308969), (158, 254215), (395, 101686), (790, 50843), (1027, 39110), (2054, 19555), (3911, 10270), (5135, 7822)]