42031940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28789}}^1$

素因数の和:28871

約数の個数: 24

約数和(自身を含む): 89479320

約数和(自身を除く): 47447380

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 28789, 57578, 115156, 143945, 287890, 575780, 2101597, 4203194, 8406388, 10507985, 21015970, 42031940]

約数ペア:

[(1, 42031940), (2, 21015970), (4, 10507985), (5, 8406388), (10, 4203194), (20, 2101597), (73, 575780), (146, 287890), (292, 143945), (365, 115156), (730, 57578), (1460, 28789)]