480520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 1111320

約数和(自身を除く): 630800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 293, 328, 410, 586, 820, 1172, 1465, 1640, 2344, 2930, 5860, 11720, 12013, 24026, 48052, 60065, 96104, 120130, 240260, 480520]

約数ペア:

[(1, 480520), (2, 240260), (4, 120130), (5, 96104), (8, 60065), (10, 48052), (20, 24026), (40, 12013), (41, 11720), (82, 5860), (164, 2930), (205, 2344), (293, 1640), (328, 1465), (410, 1172), (586, 820)]