68818720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25301}}^1$

素因数の和:25333

約数の個数: 48

約数和(自身を含む): 172154808

約数和(自身を除く): 103336088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 25301, 50602, 101204, 126505, 202408, 253010, 404816, 430117, 506020, 809632, 860234, 1012040, 1720468, 2024080, 2150585, 3440936, 4048160, 4301170, 6881872, 8602340, 13763744, 17204680, 34409360, 68818720]

約数ペア:

[(1, 68818720), (2, 34409360), (4, 17204680), (5, 13763744), (8, 8602340), (10, 6881872), (16, 4301170), (17, 4048160), (20, 3440936), (32, 2150585), (34, 2024080), (40, 1720468), (68, 1012040), (80, 860234), (85, 809632), (136, 506020), (160, 430117), (170, 404816), (272, 253010), (340, 202408), (544, 126505), (680, 101204), (1360, 50602), (2720, 25301)]