40478740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2879}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 91929600

約数和(自身を除く): 51450860

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 2879, 3515, 5758, 7030, 11516, 14060, 14395, 28790, 54701, 57580, 106523, 109402, 213046, 218804, 273505, 426092, 532615, 547010, 1065230, 1094020, 2023937, 2130460, 4047874, 8095748, 10119685, 20239370, 40478740]

約数ペア:

[(1, 40478740), (2, 20239370), (4, 10119685), (5, 8095748), (10, 4047874), (19, 2130460), (20, 2023937), (37, 1094020), (38, 1065230), (74, 547010), (76, 532615), (95, 426092), (148, 273505), (185, 218804), (190, 213046), (370, 109402), (380, 106523), (703, 57580), (740, 54701), (1406, 28790), (2812, 14395), (2879, 14060), (3515, 11516), (5758, 7030)]