80309980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2647}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 177500736

約数和(自身を除く): 97190756

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 2647, 3034, 5294, 6068, 7585, 10588, 13235, 15170, 26470, 30340, 52940, 97939, 108527, 195878, 217054, 391756, 434108, 489695, 542635, 979390, 1085270, 1958780, 2170540, 4015499, 8030998, 16061996, 20077495, 40154990, 80309980]

約数ペア:

[(1, 80309980), (2, 40154990), (4, 20077495), (5, 16061996), (10, 8030998), (20, 4015499), (37, 2170540), (41, 1958780), (74, 1085270), (82, 979390), (148, 542635), (164, 489695), (185, 434108), (205, 391756), (370, 217054), (410, 195878), (740, 108527), (820, 97939), (1517, 52940), (2647, 30340), (3034, 26470), (5294, 15170), (6068, 13235), (7585, 10588)]