48565520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 120528000

約数和(自身を除く): 71962480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 359, 380, 445, 712, 718, 760, 890, 1424, 1436, 1520, 1691, 1780, 1795, 2872, 3382, 3560, 3590, 5744, 6764, 6821, 7120, 7180, 8455, 13528, 13642, 14360, 16910, 27056, 27284, 28720, 31951, 33820, 34105, 54568, 63902, 67640, 68210, 109136, 127804, 135280, 136420, 159755, 255608, 272840, 319510, 511216, 545680, 607069, 639020, 1214138, 1278040, 2428276, 2556080, 3035345, 4856552, 6070690, 9713104, 12141380, 24282760, 48565520]

約数ペア:

[(1, 48565520), (2, 24282760), (4, 12141380), (5, 9713104), (8, 6070690), (10, 4856552), (16, 3035345), (19, 2556080), (20, 2428276), (38, 1278040), (40, 1214138), (76, 639020), (80, 607069), (89, 545680), (95, 511216), (152, 319510), (178, 272840), (190, 255608), (304, 159755), (356, 136420), (359, 135280), (380, 127804), (445, 109136), (712, 68210), (718, 67640), (760, 63902), (890, 54568), (1424, 34105), (1436, 33820), (1520, 31951), (1691, 28720), (1780, 27284), (1795, 27056), (2872, 16910), (3382, 14360), (3560, 13642), (3590, 13528), (5744, 8455), (6764, 7180), (6821, 7120)]