51256640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5167}}^1$

素因数の和:5215

約数の個数: 56

約数和(自身を含む): 126016512

約数和(自身を除く): 74759872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 5167, 9920, 10334, 20668, 25835, 41336, 51670, 82672, 103340, 160177, 165344, 206680, 320354, 330688, 413360, 640708, 800885, 826720, 1281416, 1601770, 1653440, 2562832, 3203540, 5125664, 6407080, 10251328, 12814160, 25628320, 51256640]

約数ペア:

[(1, 51256640), (2, 25628320), (4, 12814160), (5, 10251328), (8, 6407080), (10, 5125664), (16, 3203540), (20, 2562832), (31, 1653440), (32, 1601770), (40, 1281416), (62, 826720), (64, 800885), (80, 640708), (124, 413360), (155, 330688), (160, 320354), (248, 206680), (310, 165344), (320, 160177), (496, 103340), (620, 82672), (992, 51670), (1240, 41336), (1984, 25835), (2480, 20668), (4960, 10334), (5167, 9920)]