2871640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 7076160

約数和(自身を除く): 4204520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 103, 136, 164, 170, 205, 206, 328, 340, 410, 412, 515, 680, 697, 820, 824, 1030, 1394, 1640, 1751, 2060, 2788, 3485, 3502, 4120, 4223, 5576, 6970, 7004, 8446, 8755, 13940, 14008, 16892, 17510, 21115, 27880, 33784, 35020, 42230, 70040, 71791, 84460, 143582, 168920, 287164, 358955, 574328, 717910, 1435820, 2871640]

約数ペア:

[(1, 2871640), (2, 1435820), (4, 717910), (5, 574328), (8, 358955), (10, 287164), (17, 168920), (20, 143582), (34, 84460), (40, 71791), (41, 70040), (68, 42230), (82, 35020), (85, 33784), (103, 27880), (136, 21115), (164, 17510), (170, 16892), (205, 14008), (206, 13940), (328, 8755), (340, 8446), (410, 7004), (412, 6970), (515, 5576), (680, 4223), (697, 4120), (820, 3502), (824, 3485), (1030, 2788), (1394, 2060), (1640, 1751)]