80211328

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 166464000

約数和(自身を除く): 86252672

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 67, 94, 128, 134, 188, 199, 268, 376, 398, 536, 752, 796, 1072, 1504, 1592, 2144, 3008, 3149, 3184, 4288, 6016, 6298, 6368, 8576, 9353, 12596, 12736, 13333, 18706, 25192, 25472, 26666, 37412, 50384, 53332, 74824, 100768, 106664, 149648, 201536, 213328, 299296, 403072, 426656, 598592, 626651, 853312, 1197184, 1253302, 1706624, 2506604, 5013208, 10026416, 20052832, 40105664, 80211328]

約数ペア:

[(1, 80211328), (2, 40105664), (4, 20052832), (8, 10026416), (16, 5013208), (32, 2506604), (47, 1706624), (64, 1253302), (67, 1197184), (94, 853312), (128, 626651), (134, 598592), (188, 426656), (199, 403072), (268, 299296), (376, 213328), (398, 201536), (536, 149648), (752, 106664), (796, 100768), (1072, 74824), (1504, 53332), (1592, 50384), (2144, 37412), (3008, 26666), (3149, 25472), (3184, 25192), (4288, 18706), (6016, 13333), (6298, 12736), (6368, 12596), (8576, 9353)]