87341440

素因数分解:

$2^7\times 5^1\times {\mathrm{136471}}^1$

素因数の和:136490

約数の個数: 32

約数和(自身を含む): 208802160

約数和(自身を除く): 121460720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136471, 272942, 545884, 682355, 1091768, 1364710, 2183536, 2729420, 4367072, 5458840, 8734144, 10917680, 17468288, 21835360, 43670720, 87341440]

約数ペア:

[(1, 87341440), (2, 43670720), (4, 21835360), (5, 17468288), (8, 10917680), (10, 8734144), (16, 5458840), (20, 4367072), (32, 2729420), (40, 2183536), (64, 1364710), (80, 1091768), (128, 682355), (160, 545884), (320, 272942), (640, 136471)]