40109380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1789}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 90216000

約数和(自身を除く): 50106620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 1789, 2242, 3578, 4484, 5605, 7156, 8945, 11210, 17890, 22420, 33991, 35780, 67982, 105551, 135964, 169955, 211102, 339910, 422204, 527755, 679820, 1055510, 2005469, 2111020, 4010938, 8021876, 10027345, 20054690, 40109380]

約数ペア:

[(1, 40109380), (2, 20054690), (4, 10027345), (5, 8021876), (10, 4010938), (19, 2111020), (20, 2005469), (38, 1055510), (59, 679820), (76, 527755), (95, 422204), (118, 339910), (190, 211102), (236, 169955), (295, 135964), (380, 105551), (590, 67982), (1121, 35780), (1180, 33991), (1789, 22420), (2242, 17890), (3578, 11210), (4484, 8945), (5605, 7156)]