8827780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 21026880

約数和(自身を除く): 12199100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1787, 2470, 3574, 4940, 7148, 8935, 17870, 23231, 33953, 35740, 46462, 67906, 92924, 116155, 135812, 169765, 232310, 339530, 441389, 464620, 679060, 882778, 1765556, 2206945, 4413890, 8827780]

約数ペア:

[(1, 8827780), (2, 4413890), (4, 2206945), (5, 1765556), (10, 882778), (13, 679060), (19, 464620), (20, 441389), (26, 339530), (38, 232310), (52, 169765), (65, 135812), (76, 116155), (95, 92924), (130, 67906), (190, 46462), (247, 35740), (260, 33953), (380, 23231), (494, 17870), (988, 8935), (1235, 7148), (1787, 4940), (2470, 3574)]