23555540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2389}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 54205200

約数和(自身を除く): 30649660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2389, 2465, 4778, 4930, 9556, 9860, 11945, 23890, 40613, 47780, 69281, 81226, 138562, 162452, 203065, 277124, 346405, 406130, 692810, 812260, 1177777, 1385620, 2355554, 4711108, 5888885, 11777770, 23555540]

約数ペア:

[(1, 23555540), (2, 11777770), (4, 5888885), (5, 4711108), (10, 2355554), (17, 1385620), (20, 1177777), (29, 812260), (34, 692810), (58, 406130), (68, 346405), (85, 277124), (116, 203065), (145, 162452), (170, 138562), (290, 81226), (340, 69281), (493, 47780), (580, 40613), (986, 23890), (1972, 11945), (2389, 9860), (2465, 9556), (4778, 4930)]