2079723980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{45389}}^1$

素因数の和:45506

約数の個数: 48

約数和(自身を含む): 4575312000

約数和(自身を除く): 2495588020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2291, 4582, 9164, 11455, 22910, 45389, 45820, 90778, 181556, 226945, 453890, 907780, 1316281, 2632562, 3585731, 5265124, 6581405, 7171462, 13162810, 14342924, 17928655, 26325620, 35857310, 71714620, 103986199, 207972398, 415944796, 519930995, 1039861990, 2079723980]

約数ペア:

[(1, 2079723980), (2, 1039861990), (4, 519930995), (5, 415944796), (10, 207972398), (20, 103986199), (29, 71714620), (58, 35857310), (79, 26325620), (116, 17928655), (145, 14342924), (158, 13162810), (290, 7171462), (316, 6581405), (395, 5265124), (580, 3585731), (790, 2632562), (1580, 1316281), (2291, 907780), (4582, 453890), (9164, 226945), (11455, 181556), (22910, 90778), (45389, 45820)]