65759080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 153452880

約数和(自身を除く): 87693800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 397, 404, 410, 505, 794, 808, 820, 1010, 1588, 1640, 1985, 2020, 3176, 3970, 4040, 4141, 7940, 8282, 15880, 16277, 16564, 20705, 32554, 33128, 40097, 41410, 65108, 80194, 81385, 82820, 130216, 160388, 162770, 165640, 200485, 320776, 325540, 400970, 651080, 801940, 1603880, 1643977, 3287954, 6575908, 8219885, 13151816, 16439770, 32879540, 65759080]

約数ペア:

[(1, 65759080), (2, 32879540), (4, 16439770), (5, 13151816), (8, 8219885), (10, 6575908), (20, 3287954), (40, 1643977), (41, 1603880), (82, 801940), (101, 651080), (164, 400970), (202, 325540), (205, 320776), (328, 200485), (397, 165640), (404, 162770), (410, 160388), (505, 130216), (794, 82820), (808, 81385), (820, 80194), (1010, 65108), (1588, 41410), (1640, 40097), (1985, 33128), (2020, 32554), (3176, 20705), (3970, 16564), (4040, 16277), (4141, 15880), (7940, 8282)]