89910040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{877}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 221888160

約数和(自身を除く): 131978120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 233, 440, 466, 877, 932, 1165, 1754, 1864, 2330, 2563, 3508, 4385, 4660, 5126, 7016, 8770, 9320, 9647, 10252, 12815, 17540, 19294, 20504, 25630, 35080, 38588, 48235, 51260, 77176, 96470, 102520, 192940, 204341, 385880, 408682, 817364, 1021705, 1634728, 2043410, 2247751, 4086820, 4495502, 8173640, 8991004, 11238755, 17982008, 22477510, 44955020, 89910040]

約数ペア:

[(1, 89910040), (2, 44955020), (4, 22477510), (5, 17982008), (8, 11238755), (10, 8991004), (11, 8173640), (20, 4495502), (22, 4086820), (40, 2247751), (44, 2043410), (55, 1634728), (88, 1021705), (110, 817364), (220, 408682), (233, 385880), (440, 204341), (466, 192940), (877, 102520), (932, 96470), (1165, 77176), (1754, 51260), (1864, 48235), (2330, 38588), (2563, 35080), (3508, 25630), (4385, 20504), (4660, 19294), (5126, 17540), (7016, 12815), (8770, 10252), (9320, 9647)]