64039400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3301}}^1$

素因数の和:3414

約数の個数: 48

約数和(自身を含む): 150472140

約数和(自身を除く): 86432740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3301, 3880, 4850, 6602, 9700, 13204, 16505, 19400, 26408, 33010, 66020, 82525, 132040, 165050, 320197, 330100, 640394, 660200, 1280788, 1600985, 2561576, 3201970, 6403940, 8004925, 12807880, 16009850, 32019700, 64039400]

約数ペア:

[(1, 64039400), (2, 32019700), (4, 16009850), (5, 12807880), (8, 8004925), (10, 6403940), (20, 3201970), (25, 2561576), (40, 1600985), (50, 1280788), (97, 660200), (100, 640394), (194, 330100), (200, 320197), (388, 165050), (485, 132040), (776, 82525), (970, 66020), (1940, 33010), (2425, 26408), (3301, 19400), (3880, 16505), (4850, 13204), (6602, 9700)]