4105520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 10460640

約数和(自身を除く): 6355120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 73, 74, 76, 80, 95, 146, 148, 152, 185, 190, 292, 296, 304, 365, 370, 380, 584, 592, 703, 730, 740, 760, 1168, 1387, 1406, 1460, 1480, 1520, 2701, 2774, 2812, 2920, 2960, 3515, 5402, 5548, 5624, 5840, 6935, 7030, 10804, 11096, 11248, 13505, 13870, 14060, 21608, 22192, 27010, 27740, 28120, 43216, 51319, 54020, 55480, 56240, 102638, 108040, 110960, 205276, 216080, 256595, 410552, 513190, 821104, 1026380, 2052760, 4105520]

約数ペア:

[(1, 4105520), (2, 2052760), (4, 1026380), (5, 821104), (8, 513190), (10, 410552), (16, 256595), (19, 216080), (20, 205276), (37, 110960), (38, 108040), (40, 102638), (73, 56240), (74, 55480), (76, 54020), (80, 51319), (95, 43216), (146, 28120), (148, 27740), (152, 27010), (185, 22192), (190, 21608), (292, 14060), (296, 13870), (304, 13505), (365, 11248), (370, 11096), (380, 10804), (584, 7030), (592, 6935), (703, 5840), (730, 5624), (740, 5548), (760, 5402), (1168, 3515), (1387, 2960), (1406, 2920), (1460, 2812), (1480, 2774), (1520, 2701)]