12486020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 15092860

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 359, 370, 470, 718, 740, 940, 1436, 1739, 1795, 3478, 3590, 6956, 7180, 8695, 13283, 16873, 17390, 26566, 33746, 34780, 53132, 66415, 67492, 84365, 132830, 168730, 265660, 337460, 624301, 1248602, 2497204, 3121505, 6243010, 12486020]

約数ペア:

[(1, 12486020), (2, 6243010), (4, 3121505), (5, 2497204), (10, 1248602), (20, 624301), (37, 337460), (47, 265660), (74, 168730), (94, 132830), (148, 84365), (185, 67492), (188, 66415), (235, 53132), (359, 34780), (370, 33746), (470, 26566), (718, 17390), (740, 16873), (940, 13283), (1436, 8695), (1739, 7180), (1795, 6956), (3478, 3590)]