10561220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 23284800

約数和(自身を除く): 12723580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 139, 145, 262, 278, 290, 524, 556, 580, 655, 695, 1310, 1390, 2620, 2780, 3799, 4031, 7598, 8062, 15196, 16124, 18209, 18995, 20155, 36418, 37990, 40310, 72836, 75980, 80620, 91045, 182090, 364180, 528061, 1056122, 2112244, 2640305, 5280610, 10561220]

約数ペア:

[(1, 10561220), (2, 5280610), (4, 2640305), (5, 2112244), (10, 1056122), (20, 528061), (29, 364180), (58, 182090), (116, 91045), (131, 80620), (139, 75980), (145, 72836), (262, 40310), (278, 37990), (290, 36418), (524, 20155), (556, 18995), (580, 18209), (655, 16124), (695, 15196), (1310, 8062), (1390, 7598), (2620, 4031), (2780, 3799)]