64090520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2172

約数の個数: 64

約数和(自身を含む): 158004000

約数和(自身を除く): 93913480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1180, 1534, 2089, 2360, 3068, 3835, 4178, 6136, 7670, 8356, 10445, 15340, 16712, 20890, 27157, 30680, 41780, 54314, 83560, 108628, 123251, 135785, 217256, 246502, 271570, 493004, 543140, 616255, 986008, 1086280, 1232510, 1602263, 2465020, 3204526, 4930040, 6409052, 8011315, 12818104, 16022630, 32045260, 64090520]

約数ペア:

[(1, 64090520), (2, 32045260), (4, 16022630), (5, 12818104), (8, 8011315), (10, 6409052), (13, 4930040), (20, 3204526), (26, 2465020), (40, 1602263), (52, 1232510), (59, 1086280), (65, 986008), (104, 616255), (118, 543140), (130, 493004), (236, 271570), (260, 246502), (295, 217256), (472, 135785), (520, 123251), (590, 108628), (767, 83560), (1180, 54314), (1534, 41780), (2089, 30680), (2360, 27157), (3068, 20890), (3835, 16712), (4178, 15340), (6136, 10445), (7670, 8356)]