40801160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 94705200

約数和(自身を除く): 53904040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 89, 146, 157, 178, 292, 314, 356, 365, 445, 584, 628, 712, 730, 785, 890, 1256, 1460, 1570, 1780, 2920, 3140, 3560, 6280, 6497, 11461, 12994, 13973, 22922, 25988, 27946, 32485, 45844, 51976, 55892, 57305, 64970, 69865, 91688, 111784, 114610, 129940, 139730, 229220, 259880, 279460, 458440, 558920, 1020029, 2040058, 4080116, 5100145, 8160232, 10200290, 20400580, 40801160]

約数ペア:

[(1, 40801160), (2, 20400580), (4, 10200290), (5, 8160232), (8, 5100145), (10, 4080116), (20, 2040058), (40, 1020029), (73, 558920), (89, 458440), (146, 279460), (157, 259880), (178, 229220), (292, 139730), (314, 129940), (356, 114610), (365, 111784), (445, 91688), (584, 69865), (628, 64970), (712, 57305), (730, 55892), (785, 51976), (890, 45844), (1256, 32485), (1460, 27946), (1570, 25988), (1780, 22922), (2920, 13973), (3140, 12994), (3560, 11461), (6280, 6497)]