73801640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4091}}^1$

素因数の和:4154

約数の個数: 64

約数和(自身を含む): 185613120

約数和(自身を除く): 111811480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4091, 4510, 8182, 9020, 16364, 18040, 20455, 32728, 40910, 45001, 81820, 90002, 163640, 167731, 180004, 225005, 335462, 360008, 450010, 670924, 838655, 900020, 1341848, 1677310, 1800040, 1845041, 3354620, 3690082, 6709240, 7380164, 9225205, 14760328, 18450410, 36900820, 73801640]

約数ペア:

[(1, 73801640), (2, 36900820), (4, 18450410), (5, 14760328), (8, 9225205), (10, 7380164), (11, 6709240), (20, 3690082), (22, 3354620), (40, 1845041), (41, 1800040), (44, 1677310), (55, 1341848), (82, 900020), (88, 838655), (110, 670924), (164, 450010), (205, 360008), (220, 335462), (328, 225005), (410, 180004), (440, 167731), (451, 163640), (820, 90002), (902, 81820), (1640, 45001), (1804, 40910), (2255, 32728), (3608, 20455), (4091, 18040), (4510, 16364), (8182, 9020)]