80717056

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1507

約数の個数: 72

約数和(自身を含む): 190206464

約数和(自身を除く): 109489408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1453, 1736, 1792, 1984, 2906, 3472, 3968, 5812, 6944, 7936, 10171, 11624, 13888, 20342, 23248, 27776, 40684, 45043, 46496, 55552, 81368, 90086, 92992, 162736, 180172, 185984, 315301, 325472, 360344, 371968, 630602, 650944, 720688, 1261204, 1301888, 1441376, 2522408, 2603776, 2882752, 5044816, 5765504, 10089632, 11531008, 20179264, 40358528, 80717056]

約数ペア:

[(1, 80717056), (2, 40358528), (4, 20179264), (7, 11531008), (8, 10089632), (14, 5765504), (16, 5044816), (28, 2882752), (31, 2603776), (32, 2522408), (56, 1441376), (62, 1301888), (64, 1261204), (112, 720688), (124, 650944), (128, 630602), (217, 371968), (224, 360344), (248, 325472), (256, 315301), (434, 185984), (448, 180172), (496, 162736), (868, 92992), (896, 90086), (992, 81368), (1453, 55552), (1736, 46496), (1792, 45043), (1984, 40684), (2906, 27776), (3472, 23248), (3968, 20342), (5812, 13888), (6944, 11624), (7936, 10171)]