56873240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 131997600

約数和(自身を除く): 75124360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 139, 193, 212, 265, 278, 386, 424, 530, 556, 695, 772, 965, 1060, 1112, 1390, 1544, 1930, 2120, 2780, 3860, 5560, 7367, 7720, 10229, 14734, 20458, 26827, 29468, 36835, 40916, 51145, 53654, 58936, 73670, 81832, 102290, 107308, 134135, 147340, 204580, 214616, 268270, 294680, 409160, 536540, 1073080, 1421831, 2843662, 5687324, 7109155, 11374648, 14218310, 28436620, 56873240]

約数ペア:

[(1, 56873240), (2, 28436620), (4, 14218310), (5, 11374648), (8, 7109155), (10, 5687324), (20, 2843662), (40, 1421831), (53, 1073080), (106, 536540), (139, 409160), (193, 294680), (212, 268270), (265, 214616), (278, 204580), (386, 147340), (424, 134135), (530, 107308), (556, 102290), (695, 81832), (772, 73670), (965, 58936), (1060, 53654), (1112, 51145), (1390, 40916), (1544, 36835), (1930, 29468), (2120, 26827), (2780, 20458), (3860, 14734), (5560, 10229), (7367, 7720)]