54859220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{821}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 124700688

約数和(自身を除く): 69841468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 821, 1028, 1285, 1642, 2570, 3284, 3341, 4105, 5140, 6682, 8210, 10673, 13364, 16420, 16705, 21346, 33410, 42692, 53365, 66820, 106730, 210997, 213460, 421994, 843988, 1054985, 2109970, 2742961, 4219940, 5485922, 10971844, 13714805, 27429610, 54859220]

約数ペア:

[(1, 54859220), (2, 27429610), (4, 13714805), (5, 10971844), (10, 5485922), (13, 4219940), (20, 2742961), (26, 2109970), (52, 1054985), (65, 843988), (130, 421994), (257, 213460), (260, 210997), (514, 106730), (821, 66820), (1028, 53365), (1285, 42692), (1642, 33410), (2570, 21346), (3284, 16705), (3341, 16420), (4105, 13364), (5140, 10673), (6682, 8210)]