28893800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11113}}^1$

素因数の和:11142

約数の個数: 48

約数和(自身を含む): 72352140

約数和(自身を除く): 43458340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 11113, 22226, 44452, 55565, 88904, 111130, 144469, 222260, 277825, 288938, 444520, 555650, 577876, 722345, 1111300, 1155752, 1444690, 2222600, 2889380, 3611725, 5778760, 7223450, 14446900, 28893800]

約数ペア:

[(1, 28893800), (2, 14446900), (4, 7223450), (5, 5778760), (8, 3611725), (10, 2889380), (13, 2222600), (20, 1444690), (25, 1155752), (26, 1111300), (40, 722345), (50, 577876), (52, 555650), (65, 444520), (100, 288938), (104, 277825), (130, 222260), (200, 144469), (260, 111130), (325, 88904), (520, 55565), (650, 44452), (1300, 22226), (2600, 11113)]