538846640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{69439}}^1$

素因数の和:69549

約数の個数: 40

約数和(自身を含む): 1265752320

約数和(自身を除く): 726905680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 69439, 138878, 277756, 347195, 555512, 694390, 1111024, 1388780, 2777560, 5555120, 6735583, 13471166, 26942332, 33677915, 53884664, 67355830, 107769328, 134711660, 269423320, 538846640]

約数ペア:

[(1, 538846640), (2, 269423320), (4, 134711660), (5, 107769328), (8, 67355830), (10, 53884664), (16, 33677915), (20, 26942332), (40, 13471166), (80, 6735583), (97, 5555120), (194, 2777560), (388, 1388780), (485, 1111024), (776, 694390), (970, 555512), (1552, 347195), (1940, 277756), (3880, 138878), (7760, 69439)]