4709840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 11068488

約数和(自身を除く): 6358648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 521, 565, 904, 1042, 1130, 1808, 2084, 2260, 2605, 4168, 4520, 5210, 8336, 9040, 10420, 20840, 41680, 58873, 117746, 235492, 294365, 470984, 588730, 941968, 1177460, 2354920, 4709840]

約数ペア:

[(1, 4709840), (2, 2354920), (4, 1177460), (5, 941968), (8, 588730), (10, 470984), (16, 294365), (20, 235492), (40, 117746), (80, 58873), (113, 41680), (226, 20840), (452, 10420), (521, 9040), (565, 8336), (904, 5210), (1042, 4520), (1130, 4168), (1808, 2605), (2084, 2260)]