42826940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 97692672

約数和(自身を除く): 54865732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1297, 1651, 2540, 2594, 3302, 5188, 6485, 6604, 8255, 12970, 16510, 16861, 25940, 33020, 33722, 67444, 84305, 164719, 168610, 329438, 337220, 658876, 823595, 1647190, 2141347, 3294380, 4282694, 8565388, 10706735, 21413470, 42826940]

約数ペア:

[(1, 42826940), (2, 21413470), (4, 10706735), (5, 8565388), (10, 4282694), (13, 3294380), (20, 2141347), (26, 1647190), (52, 823595), (65, 658876), (127, 337220), (130, 329438), (254, 168610), (260, 164719), (508, 84305), (635, 67444), (1270, 33722), (1297, 33020), (1651, 25940), (2540, 16861), (2594, 16510), (3302, 12970), (5188, 8255), (6485, 6604)]