127423640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102761}}^1$

素因数の和:102803

約数の個数: 32

約数和(自身を含む): 295954560

約数和(自身を除く): 168530920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102761, 205522, 411044, 513805, 822088, 1027610, 2055220, 3185591, 4110440, 6371182, 12742364, 15927955, 25484728, 31855910, 63711820, 127423640]

約数ペア:

[(1, 127423640), (2, 63711820), (4, 31855910), (5, 25484728), (8, 15927955), (10, 12742364), (20, 6371182), (31, 4110440), (40, 3185591), (62, 2055220), (124, 1027610), (155, 822088), (248, 513805), (310, 411044), (620, 205522), (1240, 102761)]