25684660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 56402640

約数和(自身を除く): 30717980

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 569, 610, 740, 1138, 1220, 2257, 2276, 2845, 4514, 5690, 9028, 11285, 11380, 21053, 22570, 34709, 42106, 45140, 69418, 84212, 105265, 138836, 173545, 210530, 347090, 421060, 694180, 1284233, 2568466, 5136932, 6421165, 12842330, 25684660]

約数ペア:

[(1, 25684660), (2, 12842330), (4, 6421165), (5, 5136932), (10, 2568466), (20, 1284233), (37, 694180), (61, 421060), (74, 347090), (122, 210530), (148, 173545), (185, 138836), (244, 105265), (305, 84212), (370, 69418), (569, 45140), (610, 42106), (740, 34709), (1138, 22570), (1220, 21053), (2257, 11380), (2276, 11285), (2845, 9028), (4514, 5690)]