20123493400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2719391}}^1$

素因数の和:2719444

約数の個数: 48

約数和(自身を含む): 48051656640

約数和(自身を除く): 27928163240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 3700, 7400, 2719391, 5438782, 10877564, 13596955, 21755128, 27193910, 54387820, 67984775, 100617467, 108775640, 135969550, 201234934, 271939100, 402469868, 503087335, 543878200, 804939736, 1006174670, 2012349340, 2515436675, 4024698680, 5030873350, 10061746700, 20123493400]

約数ペア:

[(1, 20123493400), (2, 10061746700), (4, 5030873350), (5, 4024698680), (8, 2515436675), (10, 2012349340), (20, 1006174670), (25, 804939736), (37, 543878200), (40, 503087335), (50, 402469868), (74, 271939100), (100, 201234934), (148, 135969550), (185, 108775640), (200, 100617467), (296, 67984775), (370, 54387820), (740, 27193910), (925, 21755128), (1480, 13596955), (1850, 10877564), (3700, 5438782), (7400, 2719391)]