91715320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 211273920

約数和(自身を除く): 119558600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 113, 197, 206, 226, 394, 412, 452, 515, 565, 788, 824, 904, 985, 1030, 1130, 1576, 1970, 2060, 2260, 3940, 4120, 4520, 7880, 11639, 20291, 22261, 23278, 40582, 44522, 46556, 58195, 81164, 89044, 93112, 101455, 111305, 116390, 162328, 178088, 202910, 222610, 232780, 405820, 445220, 465560, 811640, 890440, 2292883, 4585766, 9171532, 11464415, 18343064, 22928830, 45857660, 91715320]

約数ペア:

[(1, 91715320), (2, 45857660), (4, 22928830), (5, 18343064), (8, 11464415), (10, 9171532), (20, 4585766), (40, 2292883), (103, 890440), (113, 811640), (197, 465560), (206, 445220), (226, 405820), (394, 232780), (412, 222610), (452, 202910), (515, 178088), (565, 162328), (788, 116390), (824, 111305), (904, 101455), (985, 93112), (1030, 89044), (1130, 81164), (1576, 58195), (1970, 46556), (2060, 44522), (2260, 40582), (3940, 23278), (4120, 22261), (4520, 20291), (7880, 11639)]