8048780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 18144000

約数和(自身を除く): 10095220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 359, 380, 590, 718, 1121, 1180, 1436, 1795, 2242, 3590, 4484, 5605, 6821, 7180, 11210, 13642, 21181, 22420, 27284, 34105, 42362, 68210, 84724, 105905, 136420, 211810, 402439, 423620, 804878, 1609756, 2012195, 4024390, 8048780]

約数ペア:

[(1, 8048780), (2, 4024390), (4, 2012195), (5, 1609756), (10, 804878), (19, 423620), (20, 402439), (38, 211810), (59, 136420), (76, 105905), (95, 84724), (118, 68210), (190, 42362), (236, 34105), (295, 27284), (359, 22420), (380, 21181), (590, 13642), (718, 11210), (1121, 7180), (1180, 6821), (1436, 5605), (1795, 4484), (2242, 3590)]