64528640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4583}}^1$

素因数の和:4615

約数の個数: 72

約数和(自身を含む): 168654528

約数和(自身を除く): 104125888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 4583, 7040, 9166, 14080, 18332, 22915, 36664, 45830, 50413, 73328, 91660, 100826, 146656, 183320, 201652, 252065, 293312, 366640, 403304, 504130, 586624, 733280, 806608, 1008260, 1173248, 1466560, 1613216, 2016520, 2933120, 3226432, 4033040, 5866240, 6452864, 8066080, 12905728, 16132160, 32264320, 64528640]

約数ペア:

[(1, 64528640), (2, 32264320), (4, 16132160), (5, 12905728), (8, 8066080), (10, 6452864), (11, 5866240), (16, 4033040), (20, 3226432), (22, 2933120), (32, 2016520), (40, 1613216), (44, 1466560), (55, 1173248), (64, 1008260), (80, 806608), (88, 733280), (110, 586624), (128, 504130), (160, 403304), (176, 366640), (220, 293312), (256, 252065), (320, 201652), (352, 183320), (440, 146656), (640, 100826), (704, 91660), (880, 73328), (1280, 50413), (1408, 45830), (1760, 36664), (2816, 22915), (3520, 18332), (4583, 14080), (7040, 9166)]