99171760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 238841856

約数和(自身を除く): 139670096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 127, 172, 215, 227, 254, 344, 430, 454, 508, 635, 688, 860, 908, 1016, 1135, 1270, 1720, 1816, 2032, 2270, 2540, 3440, 3632, 4540, 5080, 5461, 9080, 9761, 10160, 10922, 18160, 19522, 21844, 27305, 28829, 39044, 43688, 48805, 54610, 57658, 78088, 87376, 97610, 109220, 115316, 144145, 156176, 195220, 218440, 230632, 288290, 390440, 436880, 461264, 576580, 780880, 1153160, 1239647, 2306320, 2479294, 4958588, 6198235, 9917176, 12396470, 19834352, 24792940, 49585880, 99171760]

約数ペア:

[(1, 99171760), (2, 49585880), (4, 24792940), (5, 19834352), (8, 12396470), (10, 9917176), (16, 6198235), (20, 4958588), (40, 2479294), (43, 2306320), (80, 1239647), (86, 1153160), (127, 780880), (172, 576580), (215, 461264), (227, 436880), (254, 390440), (344, 288290), (430, 230632), (454, 218440), (508, 195220), (635, 156176), (688, 144145), (860, 115316), (908, 109220), (1016, 97610), (1135, 87376), (1270, 78088), (1720, 57658), (1816, 54610), (2032, 48805), (2270, 43688), (2540, 39044), (3440, 28829), (3632, 27305), (4540, 21844), (5080, 19522), (5461, 18160), (9080, 10922), (9761, 10160)]