49065640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 119846160

約数和(自身を除く): 70780520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 601, 628, 785, 1202, 1256, 1570, 2041, 2404, 3005, 3140, 4082, 4808, 6010, 6280, 7813, 8164, 10205, 12020, 15626, 16328, 20410, 24040, 31252, 39065, 40820, 62504, 78130, 81640, 94357, 156260, 188714, 312520, 377428, 471785, 754856, 943570, 1226641, 1887140, 2453282, 3774280, 4906564, 6133205, 9813128, 12266410, 24532820, 49065640]

約数ペア:

[(1, 49065640), (2, 24532820), (4, 12266410), (5, 9813128), (8, 6133205), (10, 4906564), (13, 3774280), (20, 2453282), (26, 1887140), (40, 1226641), (52, 943570), (65, 754856), (104, 471785), (130, 377428), (157, 312520), (260, 188714), (314, 156260), (520, 94357), (601, 81640), (628, 78130), (785, 62504), (1202, 40820), (1256, 39065), (1570, 31252), (2041, 24040), (2404, 20410), (3005, 16328), (3140, 15626), (4082, 12020), (4808, 10205), (6010, 8164), (6280, 7813)]