49818280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 118072080

約数和(自身を除く): 68253800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 821, 1480, 1517, 1640, 1642, 3034, 3284, 4105, 6068, 6568, 7585, 8210, 12136, 15170, 16420, 30340, 30377, 32840, 33661, 60680, 60754, 67322, 121508, 134644, 151885, 168305, 243016, 269288, 303770, 336610, 607540, 673220, 1215080, 1245457, 1346440, 2490914, 4981828, 6227285, 9963656, 12454570, 24909140, 49818280]

約数ペア:

[(1, 49818280), (2, 24909140), (4, 12454570), (5, 9963656), (8, 6227285), (10, 4981828), (20, 2490914), (37, 1346440), (40, 1245457), (41, 1215080), (74, 673220), (82, 607540), (148, 336610), (164, 303770), (185, 269288), (205, 243016), (296, 168305), (328, 151885), (370, 134644), (410, 121508), (740, 67322), (820, 60754), (821, 60680), (1480, 33661), (1517, 32840), (1640, 30377), (1642, 30340), (3034, 16420), (3284, 15170), (4105, 12136), (6068, 8210), (6568, 7585)]