55809520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 141365952

約数和(自身を除く): 85556432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 521, 824, 1030, 1040, 1042, 1339, 1648, 2060, 2084, 2605, 2678, 4120, 4168, 5210, 5356, 6695, 6773, 8240, 8336, 10420, 10712, 13390, 13546, 20840, 21424, 26780, 27092, 33865, 41680, 53560, 53663, 54184, 67730, 107120, 107326, 108368, 135460, 214652, 268315, 270920, 429304, 536630, 541840, 697619, 858608, 1073260, 1395238, 2146520, 2790476, 3488095, 4293040, 5580952, 6976190, 11161904, 13952380, 27904760, 55809520]

約数ペア:

[(1, 55809520), (2, 27904760), (4, 13952380), (5, 11161904), (8, 6976190), (10, 5580952), (13, 4293040), (16, 3488095), (20, 2790476), (26, 2146520), (40, 1395238), (52, 1073260), (65, 858608), (80, 697619), (103, 541840), (104, 536630), (130, 429304), (206, 270920), (208, 268315), (260, 214652), (412, 135460), (515, 108368), (520, 107326), (521, 107120), (824, 67730), (1030, 54184), (1040, 53663), (1042, 53560), (1339, 41680), (1648, 33865), (2060, 27092), (2084, 26780), (2605, 21424), (2678, 20840), (4120, 13546), (4168, 13390), (5210, 10712), (5356, 10420), (6695, 8336), (6773, 8240)]