80188816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 172687360

約数和(自身を除く): 92498544

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 67, 76, 124, 127, 134, 152, 248, 254, 268, 304, 496, 508, 536, 589, 1016, 1072, 1178, 1273, 2032, 2077, 2356, 2413, 2546, 3937, 4154, 4712, 4826, 5092, 7874, 8308, 8509, 9424, 9652, 10184, 15748, 16616, 17018, 19304, 20368, 31496, 33232, 34036, 38608, 39463, 62992, 68072, 74803, 78926, 136144, 149606, 157852, 161671, 263779, 299212, 315704, 323342, 527558, 598424, 631408, 646684, 1055116, 1196848, 1293368, 2110232, 2586736, 4220464, 5011801, 10023602, 20047204, 40094408, 80188816]

約数ペア:

[(1, 80188816), (2, 40094408), (4, 20047204), (8, 10023602), (16, 5011801), (19, 4220464), (31, 2586736), (38, 2110232), (62, 1293368), (67, 1196848), (76, 1055116), (124, 646684), (127, 631408), (134, 598424), (152, 527558), (248, 323342), (254, 315704), (268, 299212), (304, 263779), (496, 161671), (508, 157852), (536, 149606), (589, 136144), (1016, 78926), (1072, 74803), (1178, 68072), (1273, 62992), (2032, 39463), (2077, 38608), (2356, 34036), (2413, 33232), (2546, 31496), (3937, 20368), (4154, 19304), (4712, 17018), (4826, 16616), (5092, 15748), (7874, 10184), (8308, 9652), (8509, 9424)]