91425080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 213101280

約数和(自身を除く): 121676200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 164, 205, 214, 328, 410, 428, 521, 535, 820, 856, 1042, 1070, 1640, 2084, 2140, 2605, 4168, 4280, 4387, 5210, 8774, 10420, 17548, 20840, 21361, 21935, 35096, 42722, 43870, 55747, 85444, 87740, 106805, 111494, 170888, 175480, 213610, 222988, 278735, 427220, 445976, 557470, 854440, 1114940, 2229880, 2285627, 4571254, 9142508, 11428135, 18285016, 22856270, 45712540, 91425080]

約数ペア:

[(1, 91425080), (2, 45712540), (4, 22856270), (5, 18285016), (8, 11428135), (10, 9142508), (20, 4571254), (40, 2285627), (41, 2229880), (82, 1114940), (107, 854440), (164, 557470), (205, 445976), (214, 427220), (328, 278735), (410, 222988), (428, 213610), (521, 175480), (535, 170888), (820, 111494), (856, 106805), (1042, 87740), (1070, 85444), (1640, 55747), (2084, 43870), (2140, 42722), (2605, 35096), (4168, 21935), (4280, 21361), (4387, 20840), (5210, 17548), (8774, 10420)]