87061760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4039

約数の個数: 72

約数和(自身を含む): 220862376

約数和(自身を除く): 133800616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4001, 4352, 5440, 8002, 10880, 16004, 20005, 21760, 32008, 40010, 64016, 68017, 80020, 128032, 136034, 160040, 256064, 272068, 320080, 340085, 512128, 544136, 640160, 680170, 1024256, 1088272, 1280320, 1360340, 2176544, 2560640, 2720680, 4353088, 5121280, 5441360, 8706176, 10882720, 17412352, 21765440, 43530880, 87061760]

約数ペア:

[(1, 87061760), (2, 43530880), (4, 21765440), (5, 17412352), (8, 10882720), (10, 8706176), (16, 5441360), (17, 5121280), (20, 4353088), (32, 2720680), (34, 2560640), (40, 2176544), (64, 1360340), (68, 1280320), (80, 1088272), (85, 1024256), (128, 680170), (136, 640160), (160, 544136), (170, 512128), (256, 340085), (272, 320080), (320, 272068), (340, 256064), (544, 160040), (640, 136034), (680, 128032), (1088, 80020), (1280, 68017), (1360, 64016), (2176, 40010), (2720, 32008), (4001, 21760), (4352, 20005), (5440, 16004), (8002, 10880)]