88921820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4817}}^1$

素因数の和:4910

約数の個数: 48

約数和(自身を含む): 203974848

約数和(自身を除く): 115053028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 4817, 9230, 9634, 18460, 19268, 24085, 48170, 62621, 96340, 125242, 250484, 313105, 342007, 626210, 684014, 1252420, 1368028, 1710035, 3420070, 4446091, 6840140, 8892182, 17784364, 22230455, 44460910, 88921820]

約数ペア:

[(1, 88921820), (2, 44460910), (4, 22230455), (5, 17784364), (10, 8892182), (13, 6840140), (20, 4446091), (26, 3420070), (52, 1710035), (65, 1368028), (71, 1252420), (130, 684014), (142, 626210), (260, 342007), (284, 313105), (355, 250484), (710, 125242), (923, 96340), (1420, 62621), (1846, 48170), (3692, 24085), (4615, 19268), (4817, 18460), (9230, 9634)]