64880840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95413}}^1$

素因数の和:95441

約数の個数: 32

約数和(自身を含む): 154570680

約数和(自身を除く): 89689840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95413, 190826, 381652, 477065, 763304, 954130, 1622021, 1908260, 3244042, 3816520, 6488084, 8110105, 12976168, 16220210, 32440420, 64880840]

約数ペア:

[(1, 64880840), (2, 32440420), (4, 16220210), (5, 12976168), (8, 8110105), (10, 6488084), (17, 3816520), (20, 3244042), (34, 1908260), (40, 1622021), (68, 954130), (85, 763304), (136, 477065), (170, 381652), (340, 190826), (680, 95413)]