81458050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 163918080

約数和(自身を除く): 82460030

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 425, 470, 799, 850, 1175, 1598, 2039, 2350, 3995, 4078, 7990, 10195, 19975, 20390, 34663, 39950, 50975, 69326, 95833, 101950, 173315, 191666, 346630, 479165, 866575, 958330, 1629161, 1733150, 2395825, 3258322, 4791650, 8145805, 16291610, 40729025, 81458050]

約数ペア:

[(1, 81458050), (2, 40729025), (5, 16291610), (10, 8145805), (17, 4791650), (25, 3258322), (34, 2395825), (47, 1733150), (50, 1629161), (85, 958330), (94, 866575), (170, 479165), (235, 346630), (425, 191666), (470, 173315), (799, 101950), (850, 95833), (1175, 69326), (1598, 50975), (2039, 39950), (2350, 34663), (3995, 20390), (4078, 19975), (7990, 10195)]