503241520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 1191977280

約数和(自身を除く): 688735760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 157, 206, 314, 389, 412, 515, 628, 778, 785, 824, 1030, 1256, 1556, 1570, 1648, 1945, 2060, 2512, 3112, 3140, 3890, 4120, 6224, 6280, 7780, 8240, 12560, 15560, 16171, 31120, 32342, 40067, 61073, 64684, 80134, 80855, 122146, 129368, 160268, 161710, 200335, 244292, 258736, 305365, 320536, 323420, 400670, 488584, 610730, 641072, 646840, 801340, 977168, 1221460, 1293680, 1602680, 2442920, 3205360, 4885840, 6290519, 12581038, 25162076, 31452595, 50324152, 62905190, 100648304, 125810380, 251620760, 503241520]

約数ペア:

[(1, 503241520), (2, 251620760), (4, 125810380), (5, 100648304), (8, 62905190), (10, 50324152), (16, 31452595), (20, 25162076), (40, 12581038), (80, 6290519), (103, 4885840), (157, 3205360), (206, 2442920), (314, 1602680), (389, 1293680), (412, 1221460), (515, 977168), (628, 801340), (778, 646840), (785, 641072), (824, 610730), (1030, 488584), (1256, 400670), (1556, 323420), (1570, 320536), (1648, 305365), (1945, 258736), (2060, 244292), (2512, 200335), (3112, 161710), (3140, 160268), (3890, 129368), (4120, 122146), (6224, 80855), (6280, 80134), (7780, 64684), (8240, 61073), (12560, 40067), (15560, 32342), (16171, 31120)]