165177520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50359}}^1$

素因数の和:50413

約数の個数: 40

約数和(自身を含む): 393412320

約数和(自身を除く): 228234800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 50359, 100718, 201436, 251795, 402872, 503590, 805744, 1007180, 2014360, 2064719, 4028720, 4129438, 8258876, 10323595, 16517752, 20647190, 33035504, 41294380, 82588760, 165177520]

約数ペア:

[(1, 165177520), (2, 82588760), (4, 41294380), (5, 33035504), (8, 20647190), (10, 16517752), (16, 10323595), (20, 8258876), (40, 4129438), (41, 4028720), (80, 2064719), (82, 2014360), (164, 1007180), (205, 805744), (328, 503590), (410, 402872), (656, 251795), (820, 201436), (1640, 100718), (3280, 50359)]