16265620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 23022188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 521, 892, 1042, 1115, 1561, 2084, 2230, 2605, 3122, 3647, 4460, 5210, 6244, 7294, 7805, 10420, 14588, 15610, 18235, 31220, 36470, 72940, 116183, 232366, 464732, 580915, 813281, 1161830, 1626562, 2323660, 3253124, 4066405, 8132810, 16265620]

約数ペア:

[(1, 16265620), (2, 8132810), (4, 4066405), (5, 3253124), (7, 2323660), (10, 1626562), (14, 1161830), (20, 813281), (28, 580915), (35, 464732), (70, 232366), (140, 116183), (223, 72940), (446, 36470), (521, 31220), (892, 18235), (1042, 15610), (1115, 14588), (1561, 10420), (2084, 7805), (2230, 7294), (2605, 6244), (3122, 5210), (3647, 4460)]