90453680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59509}}^1$

素因数の和:59541

約数の個数: 40

約数和(自身を含む): 221377200

約数和(自身を除く): 130923520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59509, 119018, 238036, 297545, 476072, 595090, 952144, 1130671, 1190180, 2261342, 2380360, 4522684, 4760720, 5653355, 9045368, 11306710, 18090736, 22613420, 45226840, 90453680]

約数ペア:

[(1, 90453680), (2, 45226840), (4, 22613420), (5, 18090736), (8, 11306710), (10, 9045368), (16, 5653355), (19, 4760720), (20, 4522684), (38, 2380360), (40, 2261342), (76, 1190180), (80, 1130671), (95, 952144), (152, 595090), (190, 476072), (304, 297545), (380, 238036), (760, 119018), (1520, 59509)]