6480400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:988

約数の個数: 60

約数和(自身を含む): 16502292

約数和(自身を除く): 10021892

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 953, 1360, 1700, 1906, 3400, 3812, 4765, 6800, 7624, 9530, 15248, 16201, 19060, 23825, 32402, 38120, 47650, 64804, 76240, 81005, 95300, 129608, 162010, 190600, 259216, 324020, 381200, 405025, 648040, 810050, 1296080, 1620100, 3240200, 6480400]

約数ペア:

[(1, 6480400), (2, 3240200), (4, 1620100), (5, 1296080), (8, 810050), (10, 648040), (16, 405025), (17, 381200), (20, 324020), (25, 259216), (34, 190600), (40, 162010), (50, 129608), (68, 95300), (80, 81005), (85, 76240), (100, 64804), (136, 47650), (170, 38120), (200, 32402), (272, 23825), (340, 19060), (400, 16201), (425, 15248), (680, 9530), (850, 7624), (953, 6800), (1360, 4765), (1700, 3812), (1906, 3400)]