8021230280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{74797}}^1$

素因数の和:75198

約数の個数: 64

約数和(自身を含む): 20680151040

約数和(自身を除く): 12658920760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 1532, 1915, 2681, 3064, 3830, 5362, 7660, 10724, 13405, 15320, 21448, 26810, 53620, 74797, 107240, 149594, 299188, 373985, 523579, 598376, 747970, 1047158, 1495940, 2094316, 2617895, 2991880, 4188632, 5235790, 10471580, 20943160, 28647251, 57294502, 114589004, 143236255, 200530757, 229178008, 286472510, 401061514, 572945020, 802123028, 1002653785, 1145890040, 1604246056, 2005307570, 4010615140, 8021230280]

約数ペア:

[(1, 8021230280), (2, 4010615140), (4, 2005307570), (5, 1604246056), (7, 1145890040), (8, 1002653785), (10, 802123028), (14, 572945020), (20, 401061514), (28, 286472510), (35, 229178008), (40, 200530757), (56, 143236255), (70, 114589004), (140, 57294502), (280, 28647251), (383, 20943160), (766, 10471580), (1532, 5235790), (1915, 4188632), (2681, 2991880), (3064, 2617895), (3830, 2094316), (5362, 1495940), (7660, 1047158), (10724, 747970), (13405, 598376), (15320, 523579), (21448, 373985), (26810, 299188), (53620, 149594), (74797, 107240)]