25880494460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{390119}}^1$

素因数の和:390266

約数の個数: 48

約数和(自身を含む): 56626698240

約数和(自身を除く): 30746203780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 1070, 2140, 3317, 6634, 13268, 16585, 33170, 66340, 390119, 780238, 1560476, 1950595, 3901190, 7802380, 12093689, 24187378, 41742733, 48374756, 60468445, 83485466, 120936890, 166970932, 208713665, 241873780, 417427330, 834854660, 1294024723, 2588049446, 5176098892, 6470123615, 12940247230, 25880494460]

約数ペア:

[(1, 25880494460), (2, 12940247230), (4, 6470123615), (5, 5176098892), (10, 2588049446), (20, 1294024723), (31, 834854660), (62, 417427330), (107, 241873780), (124, 208713665), (155, 166970932), (214, 120936890), (310, 83485466), (428, 60468445), (535, 48374756), (620, 41742733), (1070, 24187378), (2140, 12093689), (3317, 7802380), (6634, 3901190), (13268, 1950595), (16585, 1560476), (33170, 780238), (66340, 390119)]