77950720

素因数分解:

$2^8\times 5^1\times {\mathrm{60899}}^1$

素因数の和:60920

約数の個数: 36

約数和(自身を含む): 186719400

約数和(自身を除く): 108768680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 60899, 121798, 243596, 304495, 487192, 608990, 974384, 1217980, 1948768, 2435960, 3897536, 4871920, 7795072, 9743840, 15590144, 19487680, 38975360, 77950720]

約数ペア:

[(1, 77950720), (2, 38975360), (4, 19487680), (5, 15590144), (8, 9743840), (10, 7795072), (16, 4871920), (20, 3897536), (32, 2435960), (40, 1948768), (64, 1217980), (80, 974384), (128, 608990), (160, 487192), (256, 304495), (320, 243596), (640, 121798), (1280, 60899)]