81056749240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{371071}}^1$

素因数の和:371252

約数の個数: 64

約数和(自身を含む): 188088975360

約数和(自身を除く): 107032226120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 1016, 1270, 1720, 2540, 5080, 5461, 10922, 21844, 27305, 43688, 54610, 109220, 218440, 371071, 742142, 1484284, 1855355, 2968568, 3710710, 7421420, 14842840, 15956053, 31912106, 47126017, 63824212, 79780265, 94252034, 127648424, 159560530, 188504068, 235630085, 319121060, 377008136, 471260170, 638242120, 942520340, 1885040680, 2026418731, 4052837462, 8105674924, 10132093655, 16211349848, 20264187310, 40528374620, 81056749240]

約数ペア:

[(1, 81056749240), (2, 40528374620), (4, 20264187310), (5, 16211349848), (8, 10132093655), (10, 8105674924), (20, 4052837462), (40, 2026418731), (43, 1885040680), (86, 942520340), (127, 638242120), (172, 471260170), (215, 377008136), (254, 319121060), (344, 235630085), (430, 188504068), (508, 159560530), (635, 127648424), (860, 94252034), (1016, 79780265), (1270, 63824212), (1720, 47126017), (2540, 31912106), (5080, 15956053), (5461, 14842840), (10922, 7421420), (21844, 3710710), (27305, 2968568), (43688, 1855355), (54610, 1484284), (109220, 742142), (218440, 371071)]