90049760

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4049}}^1$

素因数の和:4203

約数の個数: 48

約数和(自身を含む): 214326000

約数和(自身を除く): 124276240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4049, 4448, 5560, 8098, 11120, 16196, 20245, 22240, 32392, 40490, 64784, 80980, 129568, 161960, 323920, 562811, 647840, 1125622, 2251244, 2814055, 4502488, 5628110, 9004976, 11256220, 18009952, 22512440, 45024880, 90049760]

約数ペア:

[(1, 90049760), (2, 45024880), (4, 22512440), (5, 18009952), (8, 11256220), (10, 9004976), (16, 5628110), (20, 4502488), (32, 2814055), (40, 2251244), (80, 1125622), (139, 647840), (160, 562811), (278, 323920), (556, 161960), (695, 129568), (1112, 80980), (1390, 64784), (2224, 40490), (2780, 32392), (4049, 22240), (4448, 20245), (5560, 16196), (8098, 11120)]