17967760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2843}}^1$

素因数の和:2935

約数の個数: 40

約数和(自身を含む): 42318720

約数和(自身を除く): 24350960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2843, 3160, 5686, 6320, 11372, 14215, 22744, 28430, 45488, 56860, 113720, 224597, 227440, 449194, 898388, 1122985, 1796776, 2245970, 3593552, 4491940, 8983880, 17967760]

約数ペア:

[(1, 17967760), (2, 8983880), (4, 4491940), (5, 3593552), (8, 2245970), (10, 1796776), (16, 1122985), (20, 898388), (40, 449194), (79, 227440), (80, 224597), (158, 113720), (316, 56860), (395, 45488), (632, 28430), (790, 22744), (1264, 14215), (1580, 11372), (2843, 6320), (3160, 5686)]