80387216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 200415744

約数和(自身を除く): 120028528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 137, 169, 182, 208, 217, 248, 274, 338, 364, 403, 434, 496, 548, 676, 728, 806, 868, 959, 1096, 1183, 1352, 1456, 1612, 1736, 1781, 1918, 2192, 2366, 2704, 2821, 3224, 3472, 3562, 3836, 4247, 4732, 5239, 5642, 6448, 7124, 7672, 8494, 9464, 10478, 11284, 12467, 14248, 15344, 16988, 18928, 20956, 22568, 23153, 24934, 28496, 29729, 33976, 36673, 41912, 45136, 46306, 49868, 55211, 59458, 67952, 73346, 83824, 92612, 99736, 110422, 118916, 146692, 162071, 185224, 199472, 220844, 237832, 293384, 324142, 370448, 386477, 441688, 475664, 586768, 648284, 717743, 772954, 883376, 1296568, 1435486, 1545908, 2593136, 2870972, 3091816, 5024201, 5741944, 6183632, 10048402, 11483888, 20096804, 40193608, 80387216]

約数ペア:

[(1, 80387216), (2, 40193608), (4, 20096804), (7, 11483888), (8, 10048402), (13, 6183632), (14, 5741944), (16, 5024201), (26, 3091816), (28, 2870972), (31, 2593136), (52, 1545908), (56, 1435486), (62, 1296568), (91, 883376), (104, 772954), (112, 717743), (124, 648284), (137, 586768), (169, 475664), (182, 441688), (208, 386477), (217, 370448), (248, 324142), (274, 293384), (338, 237832), (364, 220844), (403, 199472), (434, 185224), (496, 162071), (548, 146692), (676, 118916), (728, 110422), (806, 99736), (868, 92612), (959, 83824), (1096, 73346), (1183, 67952), (1352, 59458), (1456, 55211), (1612, 49868), (1736, 46306), (1781, 45136), (1918, 41912), (2192, 36673), (2366, 33976), (2704, 29729), (2821, 28496), (3224, 24934), (3472, 23153), (3562, 22568), (3836, 20956), (4247, 18928), (4732, 16988), (5239, 15344), (5642, 14248), (6448, 12467), (7124, 11284), (7672, 10478), (8494, 9464)]