28757800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2713}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 68148540

約数和(自身を除く): 39390740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 2713, 5300, 5426, 10600, 10852, 13565, 21704, 27130, 54260, 67825, 108520, 135650, 143789, 271300, 287578, 542600, 575156, 718945, 1150312, 1437890, 2875780, 3594725, 5751560, 7189450, 14378900, 28757800]

約数ペア:

[(1, 28757800), (2, 14378900), (4, 7189450), (5, 5751560), (8, 3594725), (10, 2875780), (20, 1437890), (25, 1150312), (40, 718945), (50, 575156), (53, 542600), (100, 287578), (106, 271300), (200, 143789), (212, 135650), (265, 108520), (424, 67825), (530, 54260), (1060, 27130), (1325, 21704), (2120, 13565), (2650, 10852), (2713, 10600), (5300, 5426)]