201540760

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{5189}}^1$

素因数の和:6171

約数の個数: 32

約数和(自身を含む): 454021200

約数和(自身を除く): 252480440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 5189, 7768, 9710, 10378, 19420, 20756, 25945, 38840, 41512, 51890, 103780, 207560, 5038519, 10077038, 20154076, 25192595, 40308152, 50385190, 100770380, 201540760]

約数ペア:

[(1, 201540760), (2, 100770380), (4, 50385190), (5, 40308152), (8, 25192595), (10, 20154076), (20, 10077038), (40, 5038519), (971, 207560), (1942, 103780), (3884, 51890), (4855, 41512), (5189, 38840), (7768, 25945), (9710, 20756), (10378, 19420)]