12841900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2423}}^1$

素因数の和:2490

約数の個数: 36

約数和(自身を含む): 28404432

約数和(自身を除く): 15562532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2423, 2650, 4846, 5300, 9692, 12115, 24230, 48460, 60575, 121150, 128419, 242300, 256838, 513676, 642095, 1284190, 2568380, 3210475, 6420950, 12841900]

約数ペア:

[(1, 12841900), (2, 6420950), (4, 3210475), (5, 2568380), (10, 1284190), (20, 642095), (25, 513676), (50, 256838), (53, 242300), (100, 128419), (106, 121150), (212, 60575), (265, 48460), (530, 24230), (1060, 12115), (1325, 9692), (2423, 5300), (2650, 4846)]