80406160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 197665920

約数和(自身を除く): 117259760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 491, 712, 890, 920, 982, 1424, 1780, 1840, 1964, 2047, 2455, 3560, 3928, 4094, 4910, 7120, 7856, 8188, 9820, 10235, 11293, 16376, 19640, 20470, 22586, 32752, 39280, 40940, 43699, 45172, 56465, 81880, 87398, 90344, 112930, 163760, 174796, 180688, 218495, 225860, 349592, 436990, 451720, 699184, 873980, 903440, 1005077, 1747960, 2010154, 3495920, 4020308, 5025385, 8040616, 10050770, 16081232, 20101540, 40203080, 80406160]

約数ペア:

[(1, 80406160), (2, 40203080), (4, 20101540), (5, 16081232), (8, 10050770), (10, 8040616), (16, 5025385), (20, 4020308), (23, 3495920), (40, 2010154), (46, 1747960), (80, 1005077), (89, 903440), (92, 873980), (115, 699184), (178, 451720), (184, 436990), (230, 349592), (356, 225860), (368, 218495), (445, 180688), (460, 174796), (491, 163760), (712, 112930), (890, 90344), (920, 87398), (982, 81880), (1424, 56465), (1780, 45172), (1840, 43699), (1964, 40940), (2047, 39280), (2455, 32752), (3560, 22586), (3928, 20470), (4094, 19640), (4910, 16376), (7120, 11293), (7856, 10235), (8188, 9820)]