80650780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{761}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 194072256

約数和(自身を除く): 113421476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 757, 761, 1514, 1522, 3028, 3044, 3785, 3805, 5299, 5327, 7570, 7610, 10598, 10654, 15140, 15220, 21196, 21308, 26495, 26635, 52990, 53270, 105980, 106540, 576077, 1152154, 2304308, 2880385, 4032539, 5760770, 8065078, 11521540, 16130156, 20162695, 40325390, 80650780]

約数ペア:

[(1, 80650780), (2, 40325390), (4, 20162695), (5, 16130156), (7, 11521540), (10, 8065078), (14, 5760770), (20, 4032539), (28, 2880385), (35, 2304308), (70, 1152154), (140, 576077), (757, 106540), (761, 105980), (1514, 53270), (1522, 52990), (3028, 26635), (3044, 26495), (3785, 21308), (3805, 21196), (5299, 15220), (5327, 15140), (7570, 10654), (7610, 10598)]