90151240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{60913}}^1$

素因数の和:60961

約数の個数: 32

約数和(自身を含む): 208325880

約数和(自身を除く): 118174640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 60913, 121826, 243652, 304565, 487304, 609130, 1218260, 2253781, 2436520, 4507562, 9015124, 11268905, 18030248, 22537810, 45075620, 90151240]

約数ペア:

[(1, 90151240), (2, 45075620), (4, 22537810), (5, 18030248), (8, 11268905), (10, 9015124), (20, 4507562), (37, 2436520), (40, 2253781), (74, 1218260), (148, 609130), (185, 487304), (296, 304565), (370, 243652), (740, 121826), (1480, 60913)]