66727960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9871}}^1$

素因数の和:9908

約数の個数: 48

約数和(自身を含む): 162591840

約数和(自身を除く): 95863880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 9871, 19742, 39484, 49355, 78968, 98710, 128323, 197420, 256646, 394840, 513292, 641615, 1026584, 1283230, 1668199, 2566460, 3336398, 5132920, 6672796, 8340995, 13345592, 16681990, 33363980, 66727960]

約数ペア:

[(1, 66727960), (2, 33363980), (4, 16681990), (5, 13345592), (8, 8340995), (10, 6672796), (13, 5132920), (20, 3336398), (26, 2566460), (40, 1668199), (52, 1283230), (65, 1026584), (104, 641615), (130, 513292), (169, 394840), (260, 256646), (338, 197420), (520, 128323), (676, 98710), (845, 78968), (1352, 49355), (1690, 39484), (3380, 19742), (6760, 9871)]