31131845720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10661591}}^1$

素因数の和:10661675

約数の個数: 32

約数和(自身を含む): 71006202720

約数和(自身を除く): 39874357000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 10661591, 21323182, 42646364, 53307955, 85292728, 106615910, 213231820, 426463640, 778296143, 1556592286, 3113184572, 3891480715, 6226369144, 7782961430, 15565922860, 31131845720]

約数ペア:

[(1, 31131845720), (2, 15565922860), (4, 7782961430), (5, 6226369144), (8, 3891480715), (10, 3113184572), (20, 1556592286), (40, 778296143), (73, 426463640), (146, 213231820), (292, 106615910), (365, 85292728), (584, 53307955), (730, 42646364), (1460, 21323182), (2920, 10661591)]