28406600

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 66508020

約数和(自身を除く): 38101420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 692, 821, 865, 1384, 1642, 1730, 3284, 3460, 4105, 4325, 6568, 6920, 8210, 8650, 16420, 17300, 20525, 32840, 34600, 41050, 82100, 142033, 164200, 284066, 568132, 710165, 1136264, 1420330, 2840660, 3550825, 5681320, 7101650, 14203300, 28406600]

約数ペア:

[(1, 28406600), (2, 14203300), (4, 7101650), (5, 5681320), (8, 3550825), (10, 2840660), (20, 1420330), (25, 1136264), (40, 710165), (50, 568132), (100, 284066), (173, 164200), (200, 142033), (346, 82100), (692, 41050), (821, 34600), (865, 32840), (1384, 20525), (1642, 17300), (1730, 16420), (3284, 8650), (3460, 8210), (4105, 6920), (4325, 6568)]