28583540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 61895232

約数和(自身を除く): 33311692

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 257, 268, 332, 335, 415, 514, 670, 830, 1028, 1285, 1340, 1660, 2570, 5140, 5561, 11122, 17219, 21331, 22244, 27805, 34438, 42662, 55610, 68876, 85324, 86095, 106655, 111220, 172190, 213310, 344380, 426620, 1429177, 2858354, 5716708, 7145885, 14291770, 28583540]

約数ペア:

[(1, 28583540), (2, 14291770), (4, 7145885), (5, 5716708), (10, 2858354), (20, 1429177), (67, 426620), (83, 344380), (134, 213310), (166, 172190), (257, 111220), (268, 106655), (332, 86095), (335, 85324), (415, 68876), (514, 55610), (670, 42662), (830, 34438), (1028, 27805), (1285, 22244), (1340, 21331), (1660, 17219), (2570, 11122), (5140, 5561)]