80871808

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 168912000

約数和(自身を除く): 88040192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 229, 248, 356, 458, 496, 712, 916, 992, 1424, 1832, 1984, 2759, 2848, 3664, 3968, 5518, 5696, 7099, 7328, 11036, 11392, 14198, 14656, 20381, 22072, 28396, 29312, 40762, 44144, 56792, 81524, 88288, 113584, 163048, 176576, 227168, 326096, 353152, 454336, 631811, 652192, 908672, 1263622, 1304384, 2527244, 2608768, 5054488, 10108976, 20217952, 40435904, 80871808]

約数ペア:

[(1, 80871808), (2, 40435904), (4, 20217952), (8, 10108976), (16, 5054488), (31, 2608768), (32, 2527244), (62, 1304384), (64, 1263622), (89, 908672), (124, 652192), (128, 631811), (178, 454336), (229, 353152), (248, 326096), (356, 227168), (458, 176576), (496, 163048), (712, 113584), (916, 88288), (992, 81524), (1424, 56792), (1832, 44144), (1984, 40762), (2759, 29312), (2848, 28396), (3664, 22072), (3968, 20381), (5518, 14656), (5696, 14198), (7099, 11392), (7328, 11036)]