40671220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 87832080

約数和(自身を除く): 47160860

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 313, 356, 365, 445, 626, 730, 890, 1252, 1460, 1565, 1780, 3130, 6260, 6497, 12994, 22849, 25988, 27857, 32485, 45698, 55714, 64970, 91396, 111428, 114245, 129940, 139285, 228490, 278570, 456980, 557140, 2033561, 4067122, 8134244, 10167805, 20335610, 40671220]

約数ペア:

[(1, 40671220), (2, 20335610), (4, 10167805), (5, 8134244), (10, 4067122), (20, 2033561), (73, 557140), (89, 456980), (146, 278570), (178, 228490), (292, 139285), (313, 129940), (356, 114245), (365, 111428), (445, 91396), (626, 64970), (730, 55714), (890, 45698), (1252, 32485), (1460, 27857), (1565, 25988), (1780, 22849), (3130, 12994), (6260, 6497)]