38687920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28447}}^1$

素因数の和:28477

約数の個数: 40

約数和(自身を含む): 95243904

約数和(自身を除く): 56555984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28447, 56894, 113788, 142235, 227576, 284470, 455152, 483599, 568940, 967198, 1137880, 1934396, 2275760, 2417995, 3868792, 4835990, 7737584, 9671980, 19343960, 38687920]

約数ペア:

[(1, 38687920), (2, 19343960), (4, 9671980), (5, 7737584), (8, 4835990), (10, 3868792), (16, 2417995), (17, 2275760), (20, 1934396), (34, 1137880), (40, 967198), (68, 568940), (80, 483599), (85, 455152), (136, 284470), (170, 227576), (272, 142235), (340, 113788), (680, 56894), (1360, 28447)]