27976880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 41661520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 389, 464, 496, 580, 620, 778, 899, 1160, 1240, 1556, 1798, 1945, 2320, 2480, 3112, 3596, 3890, 4495, 6224, 7192, 7780, 8990, 11281, 12059, 14384, 15560, 17980, 22562, 24118, 31120, 35960, 45124, 48236, 56405, 60295, 71920, 90248, 96472, 112810, 120590, 180496, 192944, 225620, 241180, 349711, 451240, 482360, 699422, 902480, 964720, 1398844, 1748555, 2797688, 3497110, 5595376, 6994220, 13988440, 27976880]

約数ペア:

[(1, 27976880), (2, 13988440), (4, 6994220), (5, 5595376), (8, 3497110), (10, 2797688), (16, 1748555), (20, 1398844), (29, 964720), (31, 902480), (40, 699422), (58, 482360), (62, 451240), (80, 349711), (116, 241180), (124, 225620), (145, 192944), (155, 180496), (232, 120590), (248, 112810), (290, 96472), (310, 90248), (389, 71920), (464, 60295), (496, 56405), (580, 48236), (620, 45124), (778, 35960), (899, 31120), (1160, 24118), (1240, 22562), (1556, 17980), (1798, 15560), (1945, 14384), (2320, 12059), (2480, 11281), (3112, 8990), (3596, 7780), (3890, 7192), (4495, 6224)]