20139025750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{27673}}^1$

素因数の和:27802

約数の個数: 64

約数和(自身を含む): 39165130368

約数和(自身を除く): 19026104618

約数列:

[1, 2, 5, 10, 25, 41, 50, 71, 82, 125, 142, 205, 250, 355, 410, 710, 1025, 1775, 2050, 2911, 3550, 5125, 5822, 8875, 10250, 14555, 17750, 27673, 29110, 55346, 72775, 138365, 145550, 276730, 363875, 691825, 727750, 1134593, 1383650, 1964783, 2269186, 3459125, 3929566, 5672965, 6918250, 9823915, 11345930, 19647830, 28364825, 49119575, 56729650, 80556103, 98239150, 141824125, 161112206, 245597875, 283648250, 402780515, 491195750, 805561030, 2013902575, 4027805150, 10069512875, 20139025750]

約数ペア:

[(1, 20139025750), (2, 10069512875), (5, 4027805150), (10, 2013902575), (25, 805561030), (41, 491195750), (50, 402780515), (71, 283648250), (82, 245597875), (125, 161112206), (142, 141824125), (205, 98239150), (250, 80556103), (355, 56729650), (410, 49119575), (710, 28364825), (1025, 19647830), (1775, 11345930), (2050, 9823915), (2911, 6918250), (3550, 5672965), (5125, 3929566), (5822, 3459125), (8875, 2269186), (10250, 1964783), (14555, 1383650), (17750, 1134593), (27673, 727750), (29110, 691825), (55346, 363875), (72775, 276730), (138365, 145550)]