16043380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 35280000

約数和(自身を除く): 19236620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 199, 278, 290, 398, 556, 580, 695, 796, 995, 1390, 1990, 2780, 3980, 4031, 5771, 8062, 11542, 16124, 20155, 23084, 27661, 28855, 40310, 55322, 57710, 80620, 110644, 115420, 138305, 276610, 553220, 802169, 1604338, 3208676, 4010845, 8021690, 16043380]

約数ペア:

[(1, 16043380), (2, 8021690), (4, 4010845), (5, 3208676), (10, 1604338), (20, 802169), (29, 553220), (58, 276610), (116, 138305), (139, 115420), (145, 110644), (199, 80620), (278, 57710), (290, 55322), (398, 40310), (556, 28855), (580, 27661), (695, 23084), (796, 20155), (995, 16124), (1390, 11542), (1990, 8062), (2780, 5771), (3980, 4031)]