12389440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{5531}}^1$

素因数の和:5555

約数の個数: 56

約数和(自身を含む): 33723072

約数和(自身を除く): 21333632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 5531, 11062, 22124, 27655, 38717, 44248, 55310, 77434, 88496, 110620, 154868, 176992, 193585, 221240, 309736, 353984, 387170, 442480, 619472, 774340, 884960, 1238944, 1548680, 1769920, 2477888, 3097360, 6194720, 12389440]

約数ペア:

[(1, 12389440), (2, 6194720), (4, 3097360), (5, 2477888), (7, 1769920), (8, 1548680), (10, 1238944), (14, 884960), (16, 774340), (20, 619472), (28, 442480), (32, 387170), (35, 353984), (40, 309736), (56, 221240), (64, 193585), (70, 176992), (80, 154868), (112, 110620), (140, 88496), (160, 77434), (224, 55310), (280, 44248), (320, 38717), (448, 27655), (560, 22124), (1120, 11062), (2240, 5531)]