42539920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 102850560

約数和(自身を除く): 60310640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 79, 80, 106, 127, 158, 212, 254, 265, 316, 395, 424, 508, 530, 632, 635, 790, 848, 1016, 1060, 1264, 1270, 1580, 2032, 2120, 2540, 3160, 4187, 4240, 5080, 6320, 6731, 8374, 10033, 10160, 13462, 16748, 20066, 20935, 26924, 33496, 33655, 40132, 41870, 50165, 53848, 66992, 67310, 80264, 83740, 100330, 107696, 134620, 160528, 167480, 200660, 269240, 334960, 401320, 531749, 538480, 802640, 1063498, 2126996, 2658745, 4253992, 5317490, 8507984, 10634980, 21269960, 42539920]

約数ペア:

[(1, 42539920), (2, 21269960), (4, 10634980), (5, 8507984), (8, 5317490), (10, 4253992), (16, 2658745), (20, 2126996), (40, 1063498), (53, 802640), (79, 538480), (80, 531749), (106, 401320), (127, 334960), (158, 269240), (212, 200660), (254, 167480), (265, 160528), (316, 134620), (395, 107696), (424, 100330), (508, 83740), (530, 80264), (632, 67310), (635, 66992), (790, 53848), (848, 50165), (1016, 41870), (1060, 40132), (1264, 33655), (1270, 33496), (1580, 26924), (2032, 20935), (2120, 20066), (2540, 16748), (3160, 13462), (4187, 10160), (4240, 10033), (5080, 8374), (6320, 6731)]