72497680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31249}}^1$

素因数の和:31291

約数の個数: 40

約数和(自身を含む): 174375000

約数和(自身を除く): 101877320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 31249, 62498, 124996, 156245, 249992, 312490, 499984, 624980, 906221, 1249960, 1812442, 2499920, 3624884, 4531105, 7249768, 9062210, 14499536, 18124420, 36248840, 72497680]

約数ペア:

[(1, 72497680), (2, 36248840), (4, 18124420), (5, 14499536), (8, 9062210), (10, 7249768), (16, 4531105), (20, 3624884), (29, 2499920), (40, 1812442), (58, 1249960), (80, 906221), (116, 624980), (145, 499984), (232, 312490), (290, 249992), (464, 156245), (580, 124996), (1160, 62498), (2320, 31249)]