28238200

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 66022560

約数和(自身を除く): 37784360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 521, 542, 1042, 1084, 1355, 2084, 2168, 2605, 2710, 4168, 5210, 5420, 6775, 10420, 10840, 13025, 13550, 20840, 26050, 27100, 52100, 54200, 104200, 141191, 282382, 564764, 705955, 1129528, 1411910, 2823820, 3529775, 5647640, 7059550, 14119100, 28238200]

約数ペア:

[(1, 28238200), (2, 14119100), (4, 7059550), (5, 5647640), (8, 3529775), (10, 2823820), (20, 1411910), (25, 1129528), (40, 705955), (50, 564764), (100, 282382), (200, 141191), (271, 104200), (521, 54200), (542, 52100), (1042, 27100), (1084, 26050), (1355, 20840), (2084, 13550), (2168, 13025), (2605, 10840), (2710, 10420), (4168, 6775), (5210, 5420)]