80899910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4679}}^1$

素因数の和:4725

約数の個数: 64

約数和(自身を含む): 188697600

約数和(自身を除く): 107797690

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 4679, 8645, 9358, 17290, 23395, 32753, 46790, 60827, 65506, 88901, 121654, 163765, 177802, 304135, 327530, 425789, 444505, 608270, 622307, 851578, 889010, 1155713, 1244614, 2128945, 2311426, 3111535, 4257890, 5778565, 6223070, 8089991, 11557130, 16179982, 40449955, 80899910]

約数ペア:

[(1, 80899910), (2, 40449955), (5, 16179982), (7, 11557130), (10, 8089991), (13, 6223070), (14, 5778565), (19, 4257890), (26, 3111535), (35, 2311426), (38, 2128945), (65, 1244614), (70, 1155713), (91, 889010), (95, 851578), (130, 622307), (133, 608270), (182, 444505), (190, 425789), (247, 327530), (266, 304135), (455, 177802), (494, 163765), (665, 121654), (910, 88901), (1235, 65506), (1330, 60827), (1729, 46790), (2470, 32753), (3458, 23395), (4679, 17290), (8645, 9358)]