31649920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2945

約数の個数: 64

約数和(自身を含む): 80141400

約数和(自身を除く): 48491480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 2909, 5440, 5818, 10880, 11636, 14545, 23272, 29090, 46544, 49453, 58180, 93088, 98906, 116360, 186176, 197812, 232720, 247265, 372352, 395624, 465440, 494530, 791248, 930880, 989060, 1582496, 1861760, 1978120, 3164992, 3956240, 6329984, 7912480, 15824960, 31649920]

約数ペア:

[(1, 31649920), (2, 15824960), (4, 7912480), (5, 6329984), (8, 3956240), (10, 3164992), (16, 1978120), (17, 1861760), (20, 1582496), (32, 989060), (34, 930880), (40, 791248), (64, 494530), (68, 465440), (80, 395624), (85, 372352), (128, 247265), (136, 232720), (160, 197812), (170, 186176), (272, 116360), (320, 98906), (340, 93088), (544, 58180), (640, 49453), (680, 46544), (1088, 29090), (1360, 23272), (2176, 14545), (2720, 11636), (2909, 10880), (5440, 5818)]