188806480

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{16979}}^1$

素因数の和:17131

約数の個数: 40

約数和(自身を含む): 442159200

約数和(自身を除く): 253352720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 16979, 33958, 67916, 84895, 135832, 169790, 271664, 339580, 679160, 1358320, 2360081, 4720162, 9440324, 11800405, 18880648, 23600810, 37761296, 47201620, 94403240, 188806480]

約数ペア:

[(1, 188806480), (2, 94403240), (4, 47201620), (5, 37761296), (8, 23600810), (10, 18880648), (16, 11800405), (20, 9440324), (40, 4720162), (80, 2360081), (139, 1358320), (278, 679160), (556, 339580), (695, 271664), (1112, 169790), (1390, 135832), (2224, 84895), (2780, 67916), (5560, 33958), (11120, 16979)]