2017613320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1\times {\mathrm{1129}}^1$

素因数の和:2222

約数の個数: 64

約数和(自身を含む): 4653792000

約数和(自身を除く): 2636178680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1039, 1129, 1720, 2078, 2258, 4156, 4516, 5195, 5645, 8312, 9032, 10390, 11290, 20780, 22580, 41560, 44677, 45160, 48547, 89354, 97094, 178708, 194188, 223385, 242735, 357416, 388376, 446770, 485470, 893540, 970940, 1173031, 1787080, 1941880, 2346062, 4692124, 5865155, 9384248, 11730310, 23460620, 46921240, 50440333, 100880666, 201761332, 252201665, 403522664, 504403330, 1008806660, 2017613320]

約数ペア:

[(1, 2017613320), (2, 1008806660), (4, 504403330), (5, 403522664), (8, 252201665), (10, 201761332), (20, 100880666), (40, 50440333), (43, 46921240), (86, 23460620), (172, 11730310), (215, 9384248), (344, 5865155), (430, 4692124), (860, 2346062), (1039, 1941880), (1129, 1787080), (1720, 1173031), (2078, 970940), (2258, 893540), (4156, 485470), (4516, 446770), (5195, 388376), (5645, 357416), (8312, 242735), (9032, 223385), (10390, 194188), (11290, 178708), (20780, 97094), (22580, 89354), (41560, 48547), (44677, 45160)]