207658520

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{10321}}^1$

素因数の和:10835

約数の個数: 32

約数和(自身を含む): 468205920

約数和(自身を除く): 260547400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 10321, 20120, 20642, 41284, 51605, 82568, 103210, 206420, 412840, 5191463, 10382926, 20765852, 25957315, 41531704, 51914630, 103829260, 207658520]

約数ペア:

[(1, 207658520), (2, 103829260), (4, 51914630), (5, 41531704), (8, 25957315), (10, 20765852), (20, 10382926), (40, 5191463), (503, 412840), (1006, 206420), (2012, 103210), (2515, 82568), (4024, 51605), (5030, 41284), (10060, 20642), (10321, 20120)]