201023420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40693}}^1$

素因数の和:40734

約数の個数: 48

約数和(自身を含む): 478561440

約数和(自身を除く): 277538020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 40693, 81386, 162772, 203465, 406930, 529009, 773167, 813860, 1058018, 1546334, 2116036, 2645045, 3092668, 3865835, 5290090, 7731670, 10051171, 10580180, 15463340, 20102342, 40204684, 50255855, 100511710, 201023420]

約数ペア:

[(1, 201023420), (2, 100511710), (4, 50255855), (5, 40204684), (10, 20102342), (13, 15463340), (19, 10580180), (20, 10051171), (26, 7731670), (38, 5290090), (52, 3865835), (65, 3092668), (76, 2645045), (95, 2116036), (130, 1546334), (190, 1058018), (247, 813860), (260, 773167), (380, 529009), (494, 406930), (988, 203465), (1235, 162772), (2470, 81386), (4940, 40693)]