25628320

素因数分解:

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

素因数の和:5213

約数の個数: 48

約数和(自身を含む): 62512128

約数和(自身を除く): 36883808

約数列:

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

約数ペア:

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