80104895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 106868160

約数和(自身を除く): 26763265

約数列:

[1, 5, 13, 61, 65, 89, 227, 305, 445, 793, 1135, 1157, 2951, 3965, 5429, 5785, 13847, 14755, 20203, 27145, 69235, 70577, 101015, 180011, 262639, 352885, 900055, 1232383, 1313195, 6161915, 16020979, 80104895]

約数ペア:

[(1, 80104895), (5, 16020979), (13, 6161915), (61, 1313195), (65, 1232383), (89, 900055), (227, 352885), (305, 262639), (445, 180011), (793, 101015), (1135, 70577), (1157, 69235), (2951, 27145), (3965, 20203), (5429, 14755), (5785, 13847)]