40672216

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 83997000

約数和(自身を除く): 43324784

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 268, 338, 449, 536, 676, 871, 898, 1352, 1742, 1796, 3484, 3592, 5837, 6968, 11323, 11674, 22646, 23348, 30083, 45292, 46696, 60166, 75881, 90584, 120332, 151762, 240664, 303524, 391079, 607048, 782158, 1564316, 3128632, 5084027, 10168054, 20336108, 40672216]

約数ペア:

[(1, 40672216), (2, 20336108), (4, 10168054), (8, 5084027), (13, 3128632), (26, 1564316), (52, 782158), (67, 607048), (104, 391079), (134, 303524), (169, 240664), (268, 151762), (338, 120332), (449, 90584), (536, 75881), (676, 60166), (871, 46696), (898, 45292), (1352, 30083), (1742, 23348), (1796, 22646), (3484, 11674), (3592, 11323), (5837, 6968)]