100719940

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{3539}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 211720320

約数和(自身を除く): 111000380

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2846, 3539, 5692, 7078, 7115, 14156, 14230, 17695, 28460, 35390, 70780, 5035997, 10071994, 20143988, 25179985, 50359970, 100719940]

約数ペア:

[(1, 100719940), (2, 50359970), (4, 25179985), (5, 20143988), (10, 10071994), (20, 5035997), (1423, 70780), (2846, 35390), (3539, 28460), (5692, 17695), (7078, 14230), (7115, 14156)]