2080861580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{188143}}^1$

素因数の和:188238

約数の個数: 48

約数和(自身を含む): 5057310720

約数和(自身を除く): 2976449140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 188143, 376286, 752572, 940715, 1317001, 1881430, 2634002, 3762860, 5268004, 6585005, 13170010, 14863297, 26340020, 29726594, 59453188, 74316485, 104043079, 148632970, 208086158, 297265940, 416172316, 520215395, 1040430790, 2080861580]

約数ペア:

[(1, 2080861580), (2, 1040430790), (4, 520215395), (5, 416172316), (7, 297265940), (10, 208086158), (14, 148632970), (20, 104043079), (28, 74316485), (35, 59453188), (70, 29726594), (79, 26340020), (140, 14863297), (158, 13170010), (316, 6585005), (395, 5268004), (553, 3762860), (790, 2634002), (1106, 1881430), (1580, 1317001), (2212, 940715), (2765, 752572), (5530, 376286), (11060, 188143)]