78672800

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2350

約数の個数: 72

約数和(自身を含む): 196612416

約数和(自身を除く): 117939616

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, 1720, 2150, 2287, 3440, 4300, 4574, 6880, 8600, 9148, 11435, 17200, 18296, 22870, 34400, 36592, 45740, 57175, 73184, 91480, 98341, 114350, 182960, 196682, 228700, 365920, 393364, 457400, 491705, 786728, 914800, 983410, 1573456, 1829600, 1966820, 2458525, 3146912, 3933640, 4917050, 7867280, 9834100, 15734560, 19668200, 39336400, 78672800]

約数ペア:

[(1, 78672800), (2, 39336400), (4, 19668200), (5, 15734560), (8, 9834100), (10, 7867280), (16, 4917050), (20, 3933640), (25, 3146912), (32, 2458525), (40, 1966820), (43, 1829600), (50, 1573456), (80, 983410), (86, 914800), (100, 786728), (160, 491705), (172, 457400), (200, 393364), (215, 365920), (344, 228700), (400, 196682), (430, 182960), (688, 114350), (800, 98341), (860, 91480), (1075, 73184), (1376, 57175), (1720, 45740), (2150, 36592), (2287, 34400), (3440, 22870), (4300, 18296), (4574, 17200), (6880, 11435), (8600, 9148)]