80814640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 197987328

約数和(自身を除く): 117172688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 167, 184, 230, 263, 334, 368, 460, 526, 668, 835, 920, 1052, 1315, 1336, 1670, 1840, 2104, 2630, 2672, 3340, 3841, 4208, 5260, 6049, 6680, 7682, 10520, 12098, 13360, 15364, 19205, 21040, 24196, 30245, 30728, 38410, 43921, 48392, 60490, 61456, 76820, 87842, 96784, 120980, 153640, 175684, 219605, 241960, 307280, 351368, 439210, 483920, 702736, 878420, 1010183, 1756840, 2020366, 3513680, 4040732, 5050915, 8081464, 10101830, 16162928, 20203660, 40407320, 80814640]

約数ペア:

[(1, 80814640), (2, 40407320), (4, 20203660), (5, 16162928), (8, 10101830), (10, 8081464), (16, 5050915), (20, 4040732), (23, 3513680), (40, 2020366), (46, 1756840), (80, 1010183), (92, 878420), (115, 702736), (167, 483920), (184, 439210), (230, 351368), (263, 307280), (334, 241960), (368, 219605), (460, 175684), (526, 153640), (668, 120980), (835, 96784), (920, 87842), (1052, 76820), (1315, 61456), (1336, 60490), (1670, 48392), (1840, 43921), (2104, 38410), (2630, 30728), (2672, 30245), (3340, 24196), (3841, 21040), (4208, 19205), (5260, 15364), (6049, 13360), (6680, 12098), (7682, 10520)]