8182780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 18670176

約数和(自身を除く): 10487396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 587, 697, 820, 1174, 1394, 2348, 2788, 2935, 3485, 5870, 6970, 9979, 11740, 13940, 19958, 24067, 39916, 48134, 49895, 96268, 99790, 120335, 199580, 240670, 409139, 481340, 818278, 1636556, 2045695, 4091390, 8182780]

約数ペア:

[(1, 8182780), (2, 4091390), (4, 2045695), (5, 1636556), (10, 818278), (17, 481340), (20, 409139), (34, 240670), (41, 199580), (68, 120335), (82, 99790), (85, 96268), (164, 49895), (170, 48134), (205, 39916), (340, 24067), (410, 19958), (587, 13940), (697, 11740), (820, 9979), (1174, 6970), (1394, 5870), (2348, 3485), (2788, 2935)]