2080542020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1\times {\mathrm{1669}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 4410683760

約数和(自身を除く): 2330141740

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 397, 628, 785, 794, 1570, 1588, 1669, 1985, 3140, 3338, 3970, 6676, 7940, 8345, 16690, 33380, 62329, 124658, 249316, 262033, 311645, 524066, 623290, 662593, 1048132, 1246580, 1310165, 1325186, 2620330, 2650372, 3312965, 5240660, 6625930, 13251860, 104027101, 208054202, 416108404, 520135505, 1040271010, 2080542020]

約数ペア:

[(1, 2080542020), (2, 1040271010), (4, 520135505), (5, 416108404), (10, 208054202), (20, 104027101), (157, 13251860), (314, 6625930), (397, 5240660), (628, 3312965), (785, 2650372), (794, 2620330), (1570, 1325186), (1588, 1310165), (1669, 1246580), (1985, 1048132), (3140, 662593), (3338, 623290), (3970, 524066), (6676, 311645), (7940, 262033), (8345, 249316), (16690, 124658), (33380, 62329)]