504080240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:858

約数の個数: 80

約数和(自身を含む): 1206860256

約数和(自身を除く): 702780016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 313, 328, 410, 491, 626, 656, 820, 982, 1252, 1565, 1640, 1964, 2455, 2504, 3130, 3280, 3928, 4910, 5008, 6260, 7856, 9820, 12520, 12833, 19640, 20131, 25040, 25666, 39280, 40262, 51332, 64165, 80524, 100655, 102664, 128330, 153683, 161048, 201310, 205328, 256660, 307366, 322096, 402620, 513320, 614732, 768415, 805240, 1026640, 1229464, 1536830, 1610480, 2458928, 3073660, 6147320, 6301003, 12294640, 12602006, 25204012, 31505015, 50408024, 63010030, 100816048, 126020060, 252040120, 504080240]

約数ペア:

[(1, 504080240), (2, 252040120), (4, 126020060), (5, 100816048), (8, 63010030), (10, 50408024), (16, 31505015), (20, 25204012), (40, 12602006), (41, 12294640), (80, 6301003), (82, 6147320), (164, 3073660), (205, 2458928), (313, 1610480), (328, 1536830), (410, 1229464), (491, 1026640), (626, 805240), (656, 768415), (820, 614732), (982, 513320), (1252, 402620), (1565, 322096), (1640, 307366), (1964, 256660), (2455, 205328), (2504, 201310), (3130, 161048), (3280, 153683), (3928, 128330), (4910, 102664), (5008, 100655), (6260, 80524), (7856, 64165), (9820, 51332), (12520, 40262), (12833, 39280), (19640, 25666), (20131, 25040)]