2240002040

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 5079672000

約数和(自身を除く): 2839669960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 389, 401, 718, 778, 802, 1436, 1556, 1604, 1795, 1945, 2005, 2872, 3112, 3208, 3590, 3890, 4010, 7180, 7780, 8020, 14360, 15560, 16040, 139651, 143959, 155989, 279302, 287918, 311978, 558604, 575836, 623956, 698255, 719795, 779945, 1117208, 1151672, 1247912, 1396510, 1439590, 1559890, 2793020, 2879180, 3119780, 5586040, 5758360, 6239560, 56000051, 112000102, 224000204, 280000255, 448000408, 560000510, 1120001020, 2240002040]

約数ペア:

[(1, 2240002040), (2, 1120001020), (4, 560000510), (5, 448000408), (8, 280000255), (10, 224000204), (20, 112000102), (40, 56000051), (359, 6239560), (389, 5758360), (401, 5586040), (718, 3119780), (778, 2879180), (802, 2793020), (1436, 1559890), (1556, 1439590), (1604, 1396510), (1795, 1247912), (1945, 1151672), (2005, 1117208), (2872, 779945), (3112, 719795), (3208, 698255), (3590, 623956), (3890, 575836), (4010, 558604), (7180, 311978), (7780, 287918), (8020, 279302), (14360, 155989), (15560, 143959), (16040, 139651)]