65019640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3181}}^1$

素因数の和:3272

約数の個数: 64

約数和(自身を含む): 169536960

約数和(自身を除く): 104517320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3181, 4088, 5110, 6362, 10220, 12724, 15905, 20440, 22267, 25448, 31810, 44534, 63620, 89068, 111335, 127240, 178136, 222670, 232213, 445340, 464426, 890680, 928852, 1161065, 1625491, 1857704, 2322130, 3250982, 4644260, 6501964, 8127455, 9288520, 13003928, 16254910, 32509820, 65019640]

約数ペア:

[(1, 65019640), (2, 32509820), (4, 16254910), (5, 13003928), (7, 9288520), (8, 8127455), (10, 6501964), (14, 4644260), (20, 3250982), (28, 2322130), (35, 1857704), (40, 1625491), (56, 1161065), (70, 928852), (73, 890680), (140, 464426), (146, 445340), (280, 232213), (292, 222670), (365, 178136), (511, 127240), (584, 111335), (730, 89068), (1022, 63620), (1460, 44534), (2044, 31810), (2555, 25448), (2920, 22267), (3181, 20440), (4088, 15905), (5110, 12724), (6362, 10220)]