77040520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 181336320

約数和(自身を除く): 104295800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 953, 1720, 1880, 1906, 2021, 3812, 4042, 4765, 7624, 8084, 9530, 10105, 16168, 19060, 20210, 38120, 40420, 40979, 44791, 80840, 81958, 89582, 163916, 179164, 204895, 223955, 327832, 358328, 409790, 447910, 819580, 895820, 1639160, 1791640, 1926013, 3852026, 7704052, 9630065, 15408104, 19260130, 38520260, 77040520]

約数ペア:

[(1, 77040520), (2, 38520260), (4, 19260130), (5, 15408104), (8, 9630065), (10, 7704052), (20, 3852026), (40, 1926013), (43, 1791640), (47, 1639160), (86, 895820), (94, 819580), (172, 447910), (188, 409790), (215, 358328), (235, 327832), (344, 223955), (376, 204895), (430, 179164), (470, 163916), (860, 89582), (940, 81958), (953, 80840), (1720, 44791), (1880, 40979), (1906, 40420), (2021, 38120), (3812, 20210), (4042, 19060), (4765, 16168), (7624, 10105), (8084, 9530)]