17856080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 45961344

約数和(自身を除く): 28105264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 197, 206, 220, 394, 412, 440, 515, 788, 824, 880, 985, 1030, 1133, 1576, 1648, 1970, 2060, 2167, 2266, 3152, 3940, 4120, 4334, 4532, 5665, 7880, 8240, 8668, 9064, 10835, 11330, 15760, 17336, 18128, 20291, 21670, 22660, 34672, 40582, 43340, 45320, 81164, 86680, 90640, 101455, 162328, 173360, 202910, 223201, 324656, 405820, 446402, 811640, 892804, 1116005, 1623280, 1785608, 2232010, 3571216, 4464020, 8928040, 17856080]

約数ペア:

[(1, 17856080), (2, 8928040), (4, 4464020), (5, 3571216), (8, 2232010), (10, 1785608), (11, 1623280), (16, 1116005), (20, 892804), (22, 811640), (40, 446402), (44, 405820), (55, 324656), (80, 223201), (88, 202910), (103, 173360), (110, 162328), (176, 101455), (197, 90640), (206, 86680), (220, 81164), (394, 45320), (412, 43340), (440, 40582), (515, 34672), (788, 22660), (824, 21670), (880, 20291), (985, 18128), (1030, 17336), (1133, 15760), (1576, 11330), (1648, 10835), (1970, 9064), (2060, 8668), (2167, 8240), (2266, 7880), (3152, 5665), (3940, 4532), (4120, 4334)]