82718680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5081}}^1$

素因数の和:5140

約数の個数: 64

約数和(自身を含む): 208565280

約数和(自身を除く): 125846600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 5081, 8140, 10162, 16280, 20324, 25405, 40648, 50810, 55891, 101620, 111782, 187997, 203240, 223564, 279455, 375994, 447128, 558910, 751988, 939985, 1117820, 1503976, 1879970, 2067967, 2235640, 3759940, 4135934, 7519880, 8271868, 10339835, 16543736, 20679670, 41359340, 82718680]

約数ペア:

[(1, 82718680), (2, 41359340), (4, 20679670), (5, 16543736), (8, 10339835), (10, 8271868), (11, 7519880), (20, 4135934), (22, 3759940), (37, 2235640), (40, 2067967), (44, 1879970), (55, 1503976), (74, 1117820), (88, 939985), (110, 751988), (148, 558910), (185, 447128), (220, 375994), (296, 279455), (370, 223564), (407, 203240), (440, 187997), (740, 111782), (814, 101620), (1480, 55891), (1628, 50810), (2035, 40648), (3256, 25405), (4070, 20324), (5081, 16280), (8140, 10162)]