69716840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12539}}^1$

素因数の和:12689

約数の個数: 32

約数和(自身を含む): 158004000

約数和(自身を除く): 88287160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12539, 25078, 50156, 62695, 100312, 125390, 250780, 501560, 1742921, 3485842, 6971684, 8714605, 13943368, 17429210, 34858420, 69716840]

約数ペア:

[(1, 69716840), (2, 34858420), (4, 17429210), (5, 13943368), (8, 8714605), (10, 6971684), (20, 3485842), (40, 1742921), (139, 501560), (278, 250780), (556, 125390), (695, 100312), (1112, 62695), (1390, 50156), (2780, 25078), (5560, 12539)]