28871840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4877}}^1$

素因数の和:4929

約数の個数: 48

約数和(自身を含む): 70067592

約数和(自身を除く): 41195752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 4877, 5920, 9754, 19508, 24385, 39016, 48770, 78032, 97540, 156064, 180449, 195080, 360898, 390160, 721796, 780320, 902245, 1443592, 1804490, 2887184, 3608980, 5774368, 7217960, 14435920, 28871840]

約数ペア:

[(1, 28871840), (2, 14435920), (4, 7217960), (5, 5774368), (8, 3608980), (10, 2887184), (16, 1804490), (20, 1443592), (32, 902245), (37, 780320), (40, 721796), (74, 390160), (80, 360898), (148, 195080), (160, 180449), (185, 156064), (296, 97540), (370, 78032), (592, 48770), (740, 39016), (1184, 24385), (1480, 19508), (2960, 9754), (4877, 5920)]