66219520

素因数分解:

$2^9\times 5^1\times {\mathrm{25867}}^1$

素因数の和:25890

約数の個数: 40

約数和(自身を含む): 158777784

約数和(自身を除く): 92558264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25867, 51734, 103468, 129335, 206936, 258670, 413872, 517340, 827744, 1034680, 1655488, 2069360, 3310976, 4138720, 6621952, 8277440, 13243904, 16554880, 33109760, 66219520]

約数ペア:

[(1, 66219520), (2, 33109760), (4, 16554880), (5, 13243904), (8, 8277440), (10, 6621952), (16, 4138720), (20, 3310976), (32, 2069360), (40, 1655488), (64, 1034680), (80, 827744), (128, 517340), (160, 413872), (256, 258670), (320, 206936), (512, 129335), (640, 103468), (1280, 51734), (2560, 25867)]