66451760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28643}}^1$

素因数の和:28685

約数の個数: 40

約数和(自身を含む): 159833520

約数和(自身を除く): 93381760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28643, 57286, 114572, 143215, 229144, 286430, 458288, 572860, 830647, 1145720, 1661294, 2291440, 3322588, 4153235, 6645176, 8306470, 13290352, 16612940, 33225880, 66451760]

約数ペア:

[(1, 66451760), (2, 33225880), (4, 16612940), (5, 13290352), (8, 8306470), (10, 6645176), (16, 4153235), (20, 3322588), (29, 2291440), (40, 1661294), (58, 1145720), (80, 830647), (116, 572860), (145, 458288), (232, 286430), (290, 229144), (464, 143215), (580, 114572), (1160, 57286), (2320, 28643)]