54591940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 133499520

約数和(自身を除く): 78907580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 215, 247, 257, 260, 380, 430, 494, 514, 559, 817, 860, 988, 1028, 1118, 1235, 1285, 1634, 2236, 2470, 2570, 2795, 3268, 3341, 4085, 4883, 4940, 5140, 5590, 6682, 8170, 9766, 10621, 11051, 11180, 13364, 16340, 16705, 19532, 21242, 22102, 24415, 33410, 42484, 44204, 48830, 53105, 55255, 63479, 66820, 97660, 106210, 110510, 126958, 143663, 209969, 212420, 221020, 253916, 287326, 317395, 419938, 574652, 634790, 718315, 839876, 1049845, 1269580, 1436630, 2099690, 2729597, 2873260, 4199380, 5459194, 10918388, 13647985, 27295970, 54591940]

約数ペア:

[(1, 54591940), (2, 27295970), (4, 13647985), (5, 10918388), (10, 5459194), (13, 4199380), (19, 2873260), (20, 2729597), (26, 2099690), (38, 1436630), (43, 1269580), (52, 1049845), (65, 839876), (76, 718315), (86, 634790), (95, 574652), (130, 419938), (172, 317395), (190, 287326), (215, 253916), (247, 221020), (257, 212420), (260, 209969), (380, 143663), (430, 126958), (494, 110510), (514, 106210), (559, 97660), (817, 66820), (860, 63479), (988, 55255), (1028, 53105), (1118, 48830), (1235, 44204), (1285, 42484), (1634, 33410), (2236, 24415), (2470, 22102), (2570, 21242), (2795, 19532), (3268, 16705), (3341, 16340), (4085, 13364), (4883, 11180), (4940, 11051), (5140, 10621), (5590, 9766), (6682, 8170)]