158662960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63977}}^1$

素因数の和:64021

約数の個数: 40

約数和(自身を含む): 380797056

約数和(自身を除く): 222134096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 63977, 127954, 255908, 319885, 511816, 639770, 1023632, 1279540, 1983287, 2559080, 3966574, 5118160, 7933148, 9916435, 15866296, 19832870, 31732592, 39665740, 79331480, 158662960]

約数ペア:

[(1, 158662960), (2, 79331480), (4, 39665740), (5, 31732592), (8, 19832870), (10, 15866296), (16, 9916435), (20, 7933148), (31, 5118160), (40, 3966574), (62, 2559080), (80, 1983287), (124, 1279540), (155, 1023632), (248, 639770), (310, 511816), (496, 319885), (620, 255908), (1240, 127954), (2480, 63977)]