28328500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 63095760

約数和(自身を除く): 34767260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1069, 1325, 2138, 2650, 4276, 5300, 5345, 6625, 10690, 13250, 21380, 26500, 26725, 53450, 56657, 106900, 113314, 133625, 226628, 267250, 283285, 534500, 566570, 1133140, 1416425, 2832850, 5665700, 7082125, 14164250, 28328500]

約数ペア:

[(1, 28328500), (2, 14164250), (4, 7082125), (5, 5665700), (10, 2832850), (20, 1416425), (25, 1133140), (50, 566570), (53, 534500), (100, 283285), (106, 267250), (125, 226628), (212, 133625), (250, 113314), (265, 106900), (500, 56657), (530, 53450), (1060, 26725), (1069, 26500), (1325, 21380), (2138, 13250), (2650, 10690), (4276, 6625), (5300, 5345)]