1396996880

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{78307}}^1$

素因数の和:78543

約数の個数: 40

約数和(自身を含む): 3262624512

約数和(自身を除く): 1865627632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 78307, 156614, 313228, 391535, 626456, 783070, 1252912, 1566140, 3132280, 6264560, 17462461, 34924922, 69849844, 87312305, 139699688, 174624610, 279399376, 349249220, 698498440, 1396996880]

約数ペア:

[(1, 1396996880), (2, 698498440), (4, 349249220), (5, 279399376), (8, 174624610), (10, 139699688), (16, 87312305), (20, 69849844), (40, 34924922), (80, 17462461), (223, 6264560), (446, 3132280), (892, 1566140), (1115, 1252912), (1784, 783070), (2230, 626456), (3568, 391535), (4460, 313228), (8920, 156614), (17840, 78307)]