71239040

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1507

約数の個数: 64

約数和(自身を含む): 172584000

約数和(自身を除く): 101344960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1409, 1580, 2528, 2818, 3160, 5056, 5636, 6320, 7045, 10112, 11272, 12640, 14090, 22544, 25280, 28180, 45088, 50560, 56360, 90176, 111311, 112720, 180352, 222622, 225440, 445244, 450880, 556555, 890488, 901760, 1113110, 1780976, 2226220, 3561952, 4452440, 7123904, 8904880, 14247808, 17809760, 35619520, 71239040]

約数ペア:

[(1, 71239040), (2, 35619520), (4, 17809760), (5, 14247808), (8, 8904880), (10, 7123904), (16, 4452440), (20, 3561952), (32, 2226220), (40, 1780976), (64, 1113110), (79, 901760), (80, 890488), (128, 556555), (158, 450880), (160, 445244), (316, 225440), (320, 222622), (395, 180352), (632, 112720), (640, 111311), (790, 90176), (1264, 56360), (1409, 50560), (1580, 45088), (2528, 28180), (2818, 25280), (3160, 22544), (5056, 14090), (5636, 12640), (6320, 11272), (7045, 10112)]