8006680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 12314600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 587, 620, 682, 1174, 1240, 1364, 1705, 2348, 2728, 2935, 3410, 4696, 5870, 6457, 6820, 11740, 12914, 13640, 18197, 23480, 25828, 32285, 36394, 51656, 64570, 72788, 90985, 129140, 145576, 181970, 200167, 258280, 363940, 400334, 727880, 800668, 1000835, 1601336, 2001670, 4003340, 8006680]

約数ペア:

[(1, 8006680), (2, 4003340), (4, 2001670), (5, 1601336), (8, 1000835), (10, 800668), (11, 727880), (20, 400334), (22, 363940), (31, 258280), (40, 200167), (44, 181970), (55, 145576), (62, 129140), (88, 90985), (110, 72788), (124, 64570), (155, 51656), (220, 36394), (248, 32285), (310, 25828), (341, 23480), (440, 18197), (587, 13640), (620, 12914), (682, 11740), (1174, 6820), (1240, 6457), (1364, 5870), (1705, 4696), (2348, 3410), (2728, 2935)]