49801360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 133670016

約数和(自身を除く): 83868656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 787, 791, 904, 1130, 1574, 1582, 1808, 2260, 3148, 3164, 3935, 3955, 4520, 5509, 6296, 6328, 7870, 7910, 9040, 11018, 12592, 12656, 15740, 15820, 22036, 27545, 31480, 31640, 44072, 55090, 62960, 63280, 88144, 88931, 110180, 177862, 220360, 355724, 440720, 444655, 622517, 711448, 889310, 1245034, 1422896, 1778620, 2490068, 3112585, 3557240, 4980136, 6225170, 7114480, 9960272, 12450340, 24900680, 49801360]

約数ペア:

[(1, 49801360), (2, 24900680), (4, 12450340), (5, 9960272), (7, 7114480), (8, 6225170), (10, 4980136), (14, 3557240), (16, 3112585), (20, 2490068), (28, 1778620), (35, 1422896), (40, 1245034), (56, 889310), (70, 711448), (80, 622517), (112, 444655), (113, 440720), (140, 355724), (226, 220360), (280, 177862), (452, 110180), (560, 88931), (565, 88144), (787, 63280), (791, 62960), (904, 55090), (1130, 44072), (1574, 31640), (1582, 31480), (1808, 27545), (2260, 22036), (3148, 15820), (3164, 15740), (3935, 12656), (3955, 12592), (4520, 11018), (5509, 9040), (6296, 7910), (6328, 7870)]