39802780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{701}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 89159616

約数和(自身を除く): 49356836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 668, 701, 835, 1402, 1670, 2804, 2839, 3340, 3505, 5678, 7010, 11356, 11917, 14020, 14195, 23834, 28390, 47668, 56780, 59585, 117067, 119170, 234134, 238340, 468268, 585335, 1170670, 1990139, 2341340, 3980278, 7960556, 9950695, 19901390, 39802780]

約数ペア:

[(1, 39802780), (2, 19901390), (4, 9950695), (5, 7960556), (10, 3980278), (17, 2341340), (20, 1990139), (34, 1170670), (68, 585335), (85, 468268), (167, 238340), (170, 234134), (334, 119170), (340, 117067), (668, 59585), (701, 56780), (835, 47668), (1402, 28390), (1670, 23834), (2804, 14195), (2839, 14020), (3340, 11917), (3505, 11356), (5678, 7010)]