1858480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 4655952

約数和(自身を除く): 2797472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1787, 3574, 7148, 8935, 14296, 17870, 23231, 28592, 35740, 46462, 71480, 92924, 116155, 142960, 185848, 232310, 371696, 464620, 929240, 1858480]

約数ペア:

[(1, 1858480), (2, 929240), (4, 464620), (5, 371696), (8, 232310), (10, 185848), (13, 142960), (16, 116155), (20, 92924), (26, 71480), (40, 46462), (52, 35740), (65, 28592), (80, 23231), (104, 17870), (130, 14296), (208, 8935), (260, 7148), (520, 3574), (1040, 1787)]