80389750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 174680064

約数和(自身を除く): 94290314

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 125, 142, 175, 250, 350, 355, 497, 647, 710, 875, 994, 1294, 1750, 1775, 2485, 3235, 3550, 4529, 4970, 6470, 8875, 9058, 12425, 16175, 17750, 22645, 24850, 32350, 45290, 45937, 62125, 80875, 91874, 113225, 124250, 161750, 226450, 229685, 321559, 459370, 566125, 643118, 1132250, 1148425, 1607795, 2296850, 3215590, 5742125, 8038975, 11484250, 16077950, 40194875, 80389750]

約数ペア:

[(1, 80389750), (2, 40194875), (5, 16077950), (7, 11484250), (10, 8038975), (14, 5742125), (25, 3215590), (35, 2296850), (50, 1607795), (70, 1148425), (71, 1132250), (125, 643118), (142, 566125), (175, 459370), (250, 321559), (350, 229685), (355, 226450), (497, 161750), (647, 124250), (710, 113225), (875, 91874), (994, 80875), (1294, 62125), (1750, 45937), (1775, 45290), (2485, 32350), (3235, 24850), (3550, 22645), (4529, 17750), (4970, 16175), (6470, 12425), (8875, 9058)]