18931868800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{455093}}^1$

素因数の和:455130

約数の個数: 96

約数和(自身を含む): 50365252980

約数和(自身を除く): 31433384180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 1040, 1300, 1600, 1664, 2080, 2600, 3200, 4160, 5200, 8320, 10400, 20800, 41600, 455093, 910186, 1820372, 2275465, 3640744, 4550930, 5916209, 7281488, 9101860, 11377325, 11832418, 14562976, 18203720, 22754650, 23664836, 29125952, 29581045, 36407440, 45509300, 47329672, 58251904, 59162090, 72814880, 91018600, 94659344, 118324180, 145629760, 147905225, 182037200, 189318688, 236648360, 291259520, 295810450, 364074400, 378637376, 473296720, 591620900, 728148800, 757274752, 946593440, 1183241800, 1456297600, 1893186880, 2366483600, 3786373760, 4732967200, 9465934400, 18931868800]

約数ペア:

[(1, 18931868800), (2, 9465934400), (4, 4732967200), (5, 3786373760), (8, 2366483600), (10, 1893186880), (13, 1456297600), (16, 1183241800), (20, 946593440), (25, 757274752), (26, 728148800), (32, 591620900), (40, 473296720), (50, 378637376), (52, 364074400), (64, 295810450), (65, 291259520), (80, 236648360), (100, 189318688), (104, 182037200), (128, 147905225), (130, 145629760), (160, 118324180), (200, 94659344), (208, 91018600), (260, 72814880), (320, 59162090), (325, 58251904), (400, 47329672), (416, 45509300), (520, 36407440), (640, 29581045), (650, 29125952), (800, 23664836), (832, 22754650), (1040, 18203720), (1300, 14562976), (1600, 11832418), (1664, 11377325), (2080, 9101860), (2600, 7281488), (3200, 5916209), (4160, 4550930), (5200, 3640744), (8320, 2275465), (10400, 1820372), (20800, 910186), (41600, 455093)]