726125140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{21319}}^1$

素因数の和:21472

約数の個数: 48

約数和(自身を含む): 1654773120

約数和(自身を除く): 928647980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 21319, 34060, 42638, 85276, 106595, 213190, 277147, 426380, 554294, 1108588, 1385735, 2771470, 2792789, 5542940, 5585578, 11171156, 13963945, 27927890, 36306257, 55855780, 72612514, 145225028, 181531285, 363062570, 726125140]

約数ペア:

[(1, 726125140), (2, 363062570), (4, 181531285), (5, 145225028), (10, 72612514), (13, 55855780), (20, 36306257), (26, 27927890), (52, 13963945), (65, 11171156), (130, 5585578), (131, 5542940), (260, 2792789), (262, 2771470), (524, 1385735), (655, 1108588), (1310, 554294), (1703, 426380), (2620, 277147), (3406, 213190), (6812, 106595), (8515, 85276), (17030, 42638), (21319, 34060)]