25664600

素因数分解:

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

素因数の和:9900

約数の個数: 48

約数和(自身を含む): 64266720

約数和(自身を除く): 38602120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 9871, 19742, 39484, 49355, 78968, 98710, 128323, 197420, 246775, 256646, 394840, 493550, 513292, 641615, 987100, 1026584, 1283230, 1974200, 2566460, 3208075, 5132920, 6416150, 12832300, 25664600]

約数ペア:

[(1, 25664600), (2, 12832300), (4, 6416150), (5, 5132920), (8, 3208075), (10, 2566460), (13, 1974200), (20, 1283230), (25, 1026584), (26, 987100), (40, 641615), (50, 513292), (52, 493550), (65, 394840), (100, 256646), (104, 246775), (130, 197420), (200, 128323), (260, 98710), (325, 78968), (520, 49355), (650, 39484), (1300, 19742), (2600, 9871)]