49215920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 126658560

約数和(自身を除く): 77442640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1279, 1480, 1924, 2405, 2558, 2960, 3848, 4810, 5116, 6395, 7696, 9620, 10232, 12790, 16627, 19240, 20464, 25580, 33254, 38480, 47323, 51160, 66508, 83135, 94646, 102320, 133016, 166270, 189292, 236615, 266032, 332540, 378584, 473230, 615199, 665080, 757168, 946460, 1230398, 1330160, 1892920, 2460796, 3075995, 3785840, 4921592, 6151990, 9843184, 12303980, 24607960, 49215920]

約数ペア:

[(1, 49215920), (2, 24607960), (4, 12303980), (5, 9843184), (8, 6151990), (10, 4921592), (13, 3785840), (16, 3075995), (20, 2460796), (26, 1892920), (37, 1330160), (40, 1230398), (52, 946460), (65, 757168), (74, 665080), (80, 615199), (104, 473230), (130, 378584), (148, 332540), (185, 266032), (208, 236615), (260, 189292), (296, 166270), (370, 133016), (481, 102320), (520, 94646), (592, 83135), (740, 66508), (962, 51160), (1040, 47323), (1279, 38480), (1480, 33254), (1924, 25580), (2405, 20464), (2558, 19240), (2960, 16627), (3848, 12790), (4810, 10232), (5116, 9620), (6395, 7696)]