40491680

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2609}}^1$

素因数の和:2721

約数の個数: 48

約数和(自身を含む): 96684840

約数和(自身を除く): 56193160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 2609, 3104, 3880, 5218, 7760, 10436, 13045, 15520, 20872, 26090, 41744, 52180, 83488, 104360, 208720, 253073, 417440, 506146, 1012292, 1265365, 2024584, 2530730, 4049168, 5061460, 8098336, 10122920, 20245840, 40491680]

約数ペア:

[(1, 40491680), (2, 20245840), (4, 10122920), (5, 8098336), (8, 5061460), (10, 4049168), (16, 2530730), (20, 2024584), (32, 1265365), (40, 1012292), (80, 506146), (97, 417440), (160, 253073), (194, 208720), (388, 104360), (485, 83488), (776, 52180), (970, 41744), (1552, 26090), (1940, 20872), (2609, 15520), (3104, 13045), (3880, 10436), (5218, 7760)]