1239788080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{196169}}^1$

素因数の和:196261

約数の個数: 40

約数和(自身を含む): 2919009600

約数和(自身を除く): 1679221520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 196169, 392338, 784676, 980845, 1569352, 1961690, 3138704, 3923380, 7846760, 15497351, 15693520, 30994702, 61989404, 77486755, 123978808, 154973510, 247957616, 309947020, 619894040, 1239788080]

約数ペア:

[(1, 1239788080), (2, 619894040), (4, 309947020), (5, 247957616), (8, 154973510), (10, 123978808), (16, 77486755), (20, 61989404), (40, 30994702), (79, 15693520), (80, 15497351), (158, 7846760), (316, 3923380), (395, 3138704), (632, 1961690), (790, 1569352), (1264, 980845), (1580, 784676), (3160, 392338), (6320, 196169)]