82671920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 198082560

約数和(自身を除く): 115410640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 103, 127, 158, 206, 254, 316, 395, 412, 508, 515, 632, 635, 790, 824, 1016, 1030, 1264, 1270, 1580, 1648, 2032, 2060, 2540, 3160, 4120, 5080, 6320, 8137, 8240, 10033, 10160, 13081, 16274, 20066, 26162, 32548, 40132, 40685, 50165, 52324, 65096, 65405, 80264, 81370, 100330, 104648, 130192, 130810, 160528, 162740, 200660, 209296, 261620, 325480, 401320, 523240, 650960, 802640, 1033399, 1046480, 2066798, 4133596, 5166995, 8267192, 10333990, 16534384, 20667980, 41335960, 82671920]

約数ペア:

[(1, 82671920), (2, 41335960), (4, 20667980), (5, 16534384), (8, 10333990), (10, 8267192), (16, 5166995), (20, 4133596), (40, 2066798), (79, 1046480), (80, 1033399), (103, 802640), (127, 650960), (158, 523240), (206, 401320), (254, 325480), (316, 261620), (395, 209296), (412, 200660), (508, 162740), (515, 160528), (632, 130810), (635, 130192), (790, 104648), (824, 100330), (1016, 81370), (1030, 80264), (1264, 65405), (1270, 65096), (1580, 52324), (1648, 50165), (2032, 40685), (2060, 40132), (2540, 32548), (3160, 26162), (4120, 20066), (5080, 16274), (6320, 13081), (8137, 10160), (8240, 10033)]