205026560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5167}}^1$

素因数の和:5219

約数の個数: 72

約数和(自身を含む): 507042816

約数和(自身を除く): 302016256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5167, 7936, 9920, 10334, 19840, 20668, 25835, 39680, 41336, 51670, 82672, 103340, 160177, 165344, 206680, 320354, 330688, 413360, 640708, 661376, 800885, 826720, 1281416, 1322752, 1601770, 1653440, 2562832, 3203540, 3306880, 5125664, 6407080, 6613760, 10251328, 12814160, 20502656, 25628320, 41005312, 51256640, 102513280, 205026560]

約数ペア:

[(1, 205026560), (2, 102513280), (4, 51256640), (5, 41005312), (8, 25628320), (10, 20502656), (16, 12814160), (20, 10251328), (31, 6613760), (32, 6407080), (40, 5125664), (62, 3306880), (64, 3203540), (80, 2562832), (124, 1653440), (128, 1601770), (155, 1322752), (160, 1281416), (248, 826720), (256, 800885), (310, 661376), (320, 640708), (496, 413360), (620, 330688), (640, 320354), (992, 206680), (1240, 165344), (1280, 160177), (1984, 103340), (2480, 82672), (3968, 51670), (4960, 41336), (5167, 39680), (7936, 25835), (9920, 20668), (10334, 19840)]