2803122920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173891}}^1$

素因数の和:173946

約数の個数: 64

約数和(自身を含む): 7011325440

約数和(自身を除く): 4208202520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 173891, 347782, 695564, 869455, 1391128, 1738910, 2260583, 3477820, 4521166, 5390621, 6955640, 9042332, 10781242, 11302915, 18084664, 21562484, 22605830, 26953105, 43124968, 45211660, 53906210, 70078073, 90423320, 107812420, 140156146, 215624840, 280312292, 350390365, 560624584, 700780730, 1401561460, 2803122920]

約数ペア:

[(1, 2803122920), (2, 1401561460), (4, 700780730), (5, 560624584), (8, 350390365), (10, 280312292), (13, 215624840), (20, 140156146), (26, 107812420), (31, 90423320), (40, 70078073), (52, 53906210), (62, 45211660), (65, 43124968), (104, 26953105), (124, 22605830), (130, 21562484), (155, 18084664), (248, 11302915), (260, 10781242), (310, 9042332), (403, 6955640), (520, 5390621), (620, 4521166), (806, 3477820), (1240, 2260583), (1612, 1738910), (2015, 1391128), (3224, 869455), (4030, 695564), (8060, 347782), (16120, 173891)]