28527440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11503}}^1$

素因数の和:11547

約数の個数: 40

約数和(自身を含む): 68471808

約数和(自身を除く): 39944368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11503, 23006, 46012, 57515, 92024, 115030, 184048, 230060, 356593, 460120, 713186, 920240, 1426372, 1782965, 2852744, 3565930, 5705488, 7131860, 14263720, 28527440]

約数ペア:

[(1, 28527440), (2, 14263720), (4, 7131860), (5, 5705488), (8, 3565930), (10, 2852744), (16, 1782965), (20, 1426372), (31, 920240), (40, 713186), (62, 460120), (80, 356593), (124, 230060), (155, 184048), (248, 115030), (310, 92024), (496, 57515), (620, 46012), (1240, 23006), (2480, 11503)]