8861240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7639}}^1$

素因数の和:7679

約数の個数: 32

約数和(自身を含む): 20628000

約数和(自身を除く): 11766760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 7639, 15278, 30556, 38195, 61112, 76390, 152780, 221531, 305560, 443062, 886124, 1107655, 1772248, 2215310, 4430620, 8861240]

約数ペア:

[(1, 8861240), (2, 4430620), (4, 2215310), (5, 1772248), (8, 1107655), (10, 886124), (20, 443062), (29, 305560), (40, 221531), (58, 152780), (116, 76390), (145, 61112), (232, 38195), (290, 30556), (580, 15278), (1160, 7639)]