80035760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 214486272

約数和(自身を除く): 134450512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1091, 1310, 1834, 2096, 2182, 2620, 3668, 4364, 4585, 5240, 5455, 7336, 7637, 8728, 9170, 10480, 10910, 14672, 15274, 17456, 18340, 21820, 30548, 36680, 38185, 43640, 61096, 73360, 76370, 87280, 122192, 142921, 152740, 285842, 305480, 571684, 610960, 714605, 1000447, 1143368, 1429210, 2000894, 2286736, 2858420, 4001788, 5002235, 5716840, 8003576, 10004470, 11433680, 16007152, 20008940, 40017880, 80035760]

約数ペア:

[(1, 80035760), (2, 40017880), (4, 20008940), (5, 16007152), (7, 11433680), (8, 10004470), (10, 8003576), (14, 5716840), (16, 5002235), (20, 4001788), (28, 2858420), (35, 2286736), (40, 2000894), (56, 1429210), (70, 1143368), (80, 1000447), (112, 714605), (131, 610960), (140, 571684), (262, 305480), (280, 285842), (524, 152740), (560, 142921), (655, 122192), (917, 87280), (1048, 76370), (1091, 73360), (1310, 61096), (1834, 43640), (2096, 38185), (2182, 36680), (2620, 30548), (3668, 21820), (4364, 18340), (4585, 17456), (5240, 15274), (5455, 14672), (7336, 10910), (7637, 10480), (8728, 9170)]