80203420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 112848740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 59, 74, 110, 118, 148, 167, 185, 220, 236, 295, 334, 370, 407, 590, 649, 668, 740, 814, 835, 1180, 1298, 1628, 1670, 1837, 2035, 2183, 2596, 3245, 3340, 3674, 4070, 4366, 6179, 6490, 7348, 8140, 8732, 9185, 9853, 10915, 12358, 12980, 18370, 19706, 21830, 24013, 24716, 30895, 36740, 39412, 43660, 48026, 49265, 61790, 67969, 96052, 98530, 108383, 120065, 123580, 135938, 197060, 216766, 240130, 271876, 339845, 364561, 433532, 480260, 541915, 679690, 729122, 1083830, 1359380, 1458244, 1822805, 2167660, 3645610, 4010171, 7291220, 8020342, 16040684, 20050855, 40101710, 80203420]

約数ペア:

[(1, 80203420), (2, 40101710), (4, 20050855), (5, 16040684), (10, 8020342), (11, 7291220), (20, 4010171), (22, 3645610), (37, 2167660), (44, 1822805), (55, 1458244), (59, 1359380), (74, 1083830), (110, 729122), (118, 679690), (148, 541915), (167, 480260), (185, 433532), (220, 364561), (236, 339845), (295, 271876), (334, 240130), (370, 216766), (407, 197060), (590, 135938), (649, 123580), (668, 120065), (740, 108383), (814, 98530), (835, 96052), (1180, 67969), (1298, 61790), (1628, 49265), (1670, 48026), (1837, 43660), (2035, 39412), (2183, 36740), (2596, 30895), (3245, 24716), (3340, 24013), (3674, 21830), (4070, 19706), (4366, 18370), (6179, 12980), (6490, 12358), (7348, 10915), (8140, 9853), (8732, 9185)]