12965440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1355

約数の個数: 56

約数和(自身を含む): 31894272

約数和(自身を除く): 18928832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1307, 1984, 2480, 2614, 4960, 5228, 6535, 9920, 10456, 13070, 20912, 26140, 40517, 41824, 52280, 81034, 83648, 104560, 162068, 202585, 209120, 324136, 405170, 418240, 648272, 810340, 1296544, 1620680, 2593088, 3241360, 6482720, 12965440]

約数ペア:

[(1, 12965440), (2, 6482720), (4, 3241360), (5, 2593088), (8, 1620680), (10, 1296544), (16, 810340), (20, 648272), (31, 418240), (32, 405170), (40, 324136), (62, 209120), (64, 202585), (80, 162068), (124, 104560), (155, 83648), (160, 81034), (248, 52280), (310, 41824), (320, 40517), (496, 26140), (620, 20912), (992, 13070), (1240, 10456), (1307, 9920), (1984, 6535), (2480, 5228), (2614, 4960)]