91871960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 210068640

約数和(自身を除く): 118196680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 431, 584, 730, 862, 1460, 1724, 2155, 2920, 3448, 4310, 5329, 8620, 10658, 17240, 21316, 26645, 31463, 42632, 53290, 62926, 106580, 125852, 157315, 213160, 251704, 314630, 629260, 1258520, 2296799, 4593598, 9187196, 11483995, 18374392, 22967990, 45935980, 91871960]

約数ペア:

[(1, 91871960), (2, 45935980), (4, 22967990), (5, 18374392), (8, 11483995), (10, 9187196), (20, 4593598), (40, 2296799), (73, 1258520), (146, 629260), (292, 314630), (365, 251704), (431, 213160), (584, 157315), (730, 125852), (862, 106580), (1460, 62926), (1724, 53290), (2155, 42632), (2920, 31463), (3448, 26645), (4310, 21316), (5329, 17240), (8620, 10658)]