25811820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 78807456

約数和(自身を除く): 52995636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 743, 772, 965, 1158, 1486, 1737, 1930, 2229, 2316, 2895, 2972, 3474, 3715, 3860, 4458, 5790, 6687, 6948, 7430, 8685, 8916, 11145, 11580, 13374, 14860, 17370, 22290, 26748, 33435, 34740, 44580, 66870, 133740, 143399, 286798, 430197, 573596, 716995, 860394, 1290591, 1433990, 1720788, 2150985, 2581182, 2867980, 4301970, 5162364, 6452955, 8603940, 12905910, 25811820]

約数ペア:

[(1, 25811820), (2, 12905910), (3, 8603940), (4, 6452955), (5, 5162364), (6, 4301970), (9, 2867980), (10, 2581182), (12, 2150985), (15, 1720788), (18, 1433990), (20, 1290591), (30, 860394), (36, 716995), (45, 573596), (60, 430197), (90, 286798), (180, 143399), (193, 133740), (386, 66870), (579, 44580), (743, 34740), (772, 33435), (965, 26748), (1158, 22290), (1486, 17370), (1737, 14860), (1930, 13374), (2229, 11580), (2316, 11145), (2895, 8916), (2972, 8685), (3474, 7430), (3715, 6948), (3860, 6687), (4458, 5790)]