13189640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4517}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 30089880

約数和(自身を除く): 16900240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4517, 9034, 18068, 22585, 36136, 45170, 90340, 180680, 329741, 659482, 1318964, 1648705, 2637928, 3297410, 6594820, 13189640]

約数ペア:

[(1, 13189640), (2, 6594820), (4, 3297410), (5, 2637928), (8, 1648705), (10, 1318964), (20, 659482), (40, 329741), (73, 180680), (146, 90340), (292, 45170), (365, 36136), (584, 22585), (730, 18068), (1460, 9034), (2920, 4517)]