858996580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{254141}}^1$

素因数の和:254176

約数の個数: 36

約数和(自身を含む): 1953335412

約数和(自身を除く): 1094338832

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 254141, 508282, 1016564, 1270705, 2541410, 3303833, 5082820, 6607666, 13215332, 16519165, 33038330, 42949829, 66076660, 85899658, 171799316, 214749145, 429498290, 858996580]

約数ペア:

[(1, 858996580), (2, 429498290), (4, 214749145), (5, 171799316), (10, 85899658), (13, 66076660), (20, 42949829), (26, 33038330), (52, 16519165), (65, 13215332), (130, 6607666), (169, 5082820), (260, 3303833), (338, 2541410), (676, 1270705), (845, 1016564), (1690, 508282), (3380, 254141)]