38869840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5009}}^1$

素因数の和:5119

約数の個数: 40

約数和(自身を含む): 91322280

約数和(自身を除く): 52452440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 5009, 7760, 10018, 20036, 25045, 40072, 50090, 80144, 100180, 200360, 400720, 485873, 971746, 1943492, 2429365, 3886984, 4858730, 7773968, 9717460, 19434920, 38869840]

約数ペア:

[(1, 38869840), (2, 19434920), (4, 9717460), (5, 7773968), (8, 4858730), (10, 3886984), (16, 2429365), (20, 1943492), (40, 971746), (80, 485873), (97, 400720), (194, 200360), (388, 100180), (485, 80144), (776, 50090), (970, 40072), (1552, 25045), (1940, 20036), (3880, 10018), (5009, 7760)]