10420840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 25090560

約数和(自身を除く): 14669720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 241, 376, 460, 470, 482, 920, 940, 964, 1081, 1205, 1880, 1928, 2162, 2410, 4324, 4820, 5405, 5543, 8648, 9640, 10810, 11086, 11327, 21620, 22172, 22654, 27715, 43240, 44344, 45308, 55430, 56635, 90616, 110860, 113270, 221720, 226540, 260521, 453080, 521042, 1042084, 1302605, 2084168, 2605210, 5210420, 10420840]

約数ペア:

[(1, 10420840), (2, 5210420), (4, 2605210), (5, 2084168), (8, 1302605), (10, 1042084), (20, 521042), (23, 453080), (40, 260521), (46, 226540), (47, 221720), (92, 113270), (94, 110860), (115, 90616), (184, 56635), (188, 55430), (230, 45308), (235, 44344), (241, 43240), (376, 27715), (460, 22654), (470, 22172), (482, 21620), (920, 11327), (940, 11086), (964, 10810), (1081, 9640), (1205, 8648), (1880, 5543), (1928, 5405), (2162, 4820), (2410, 4324)]