4263220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5897420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 863, 988, 1235, 1726, 2470, 3452, 4315, 4940, 8630, 11219, 16397, 17260, 22438, 32794, 44876, 56095, 65588, 81985, 112190, 163970, 213161, 224380, 327940, 426322, 852644, 1065805, 2131610, 4263220]

約数ペア:

[(1, 4263220), (2, 2131610), (4, 1065805), (5, 852644), (10, 426322), (13, 327940), (19, 224380), (20, 213161), (26, 163970), (38, 112190), (52, 81985), (65, 65588), (76, 56095), (95, 44876), (130, 32794), (190, 22438), (247, 17260), (260, 16397), (380, 11219), (494, 8630), (863, 4940), (988, 4315), (1235, 3452), (1726, 2470)]