4132960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2015

約数の個数: 48

約数和(自身を含む): 10520496

約数和(自身を除く): 6387536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1987, 2080, 3974, 7948, 9935, 15896, 19870, 25831, 31792, 39740, 51662, 63584, 79480, 103324, 129155, 158960, 206648, 258310, 317920, 413296, 516620, 826592, 1033240, 2066480, 4132960]

約数ペア:

[(1, 4132960), (2, 2066480), (4, 1033240), (5, 826592), (8, 516620), (10, 413296), (13, 317920), (16, 258310), (20, 206648), (26, 158960), (32, 129155), (40, 103324), (52, 79480), (65, 63584), (80, 51662), (104, 39740), (130, 31792), (160, 25831), (208, 19870), (260, 15896), (416, 9935), (520, 7948), (1040, 3974), (1987, 2080)]