313152080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126271}}^1$

素因数の和:126315

約数の個数: 40

約数和(自身を含む): 751570944

約数和(自身を除く): 438418864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 126271, 252542, 505084, 631355, 1010168, 1262710, 2020336, 2525420, 3914401, 5050840, 7828802, 10101680, 15657604, 19572005, 31315208, 39144010, 62630416, 78288020, 156576040, 313152080]

約数ペア:

[(1, 313152080), (2, 156576040), (4, 78288020), (5, 62630416), (8, 39144010), (10, 31315208), (16, 19572005), (20, 15657604), (31, 10101680), (40, 7828802), (62, 5050840), (80, 3914401), (124, 2525420), (155, 2020336), (248, 1262710), (310, 1010168), (496, 631355), (620, 505084), (1240, 252542), (2480, 126271)]