28613240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37649}}^1$

素因数の和:37679

約数の個数: 32

約数和(自身を含む): 67770000

約数和(自身を除く): 39156760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37649, 75298, 150596, 188245, 301192, 376490, 715331, 752980, 1430662, 1505960, 2861324, 3576655, 5722648, 7153310, 14306620, 28613240]

約数ペア:

[(1, 28613240), (2, 14306620), (4, 7153310), (5, 5722648), (8, 3576655), (10, 2861324), (19, 1505960), (20, 1430662), (38, 752980), (40, 715331), (76, 376490), (95, 301192), (152, 188245), (190, 150596), (380, 75298), (760, 37649)]