87908240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156979}}^1$

素因数の和:156999

約数の個数: 40

約数和(自身を含む): 233586240

約数和(自身を除く): 145678000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156979, 313958, 627916, 784895, 1098853, 1255832, 1569790, 2197706, 2511664, 3139580, 4395412, 5494265, 6279160, 8790824, 10988530, 12558320, 17581648, 21977060, 43954120, 87908240]

約数ペア:

[(1, 87908240), (2, 43954120), (4, 21977060), (5, 17581648), (7, 12558320), (8, 10988530), (10, 8790824), (14, 6279160), (16, 5494265), (20, 4395412), (28, 3139580), (35, 2511664), (40, 2197706), (56, 1569790), (70, 1255832), (80, 1098853), (112, 784895), (140, 627916), (280, 313958), (560, 156979)]