4454840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{659}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 10870200

約数和(自身を除く): 6415360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 659, 676, 845, 1318, 1352, 1690, 2636, 3295, 3380, 5272, 6590, 6760, 8567, 13180, 17134, 26360, 34268, 42835, 68536, 85670, 111371, 171340, 222742, 342680, 445484, 556855, 890968, 1113710, 2227420, 4454840]

約数ペア:

[(1, 4454840), (2, 2227420), (4, 1113710), (5, 890968), (8, 556855), (10, 445484), (13, 342680), (20, 222742), (26, 171340), (40, 111371), (52, 85670), (65, 68536), (104, 42835), (130, 34268), (169, 26360), (260, 17134), (338, 13180), (520, 8567), (659, 6760), (676, 6590), (845, 5272), (1318, 3380), (1352, 3295), (1690, 2636)]