51978400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1574

約数の個数: 72

約数和(自身を含む): 129929184

約数和(自身を除く): 77950784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1511, 1720, 2150, 3022, 3440, 4300, 6044, 6880, 7555, 8600, 12088, 15110, 17200, 24176, 30220, 34400, 37775, 48352, 60440, 64973, 75550, 120880, 129946, 151100, 241760, 259892, 302200, 324865, 519784, 604400, 649730, 1039568, 1208800, 1299460, 1624325, 2079136, 2598920, 3248650, 5197840, 6497300, 10395680, 12994600, 25989200, 51978400]

約数ペア:

[(1, 51978400), (2, 25989200), (4, 12994600), (5, 10395680), (8, 6497300), (10, 5197840), (16, 3248650), (20, 2598920), (25, 2079136), (32, 1624325), (40, 1299460), (43, 1208800), (50, 1039568), (80, 649730), (86, 604400), (100, 519784), (160, 324865), (172, 302200), (200, 259892), (215, 241760), (344, 151100), (400, 129946), (430, 120880), (688, 75550), (800, 64973), (860, 60440), (1075, 48352), (1376, 37775), (1511, 34400), (1720, 30220), (2150, 24176), (3022, 17200), (3440, 15110), (4300, 12088), (6044, 8600), (6880, 7555)]