64422020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1951}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 146915328

約数和(自身を除く): 82493308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 1951, 2540, 3302, 3902, 6604, 7804, 8255, 9755, 16510, 19510, 25363, 33020, 39020, 50726, 101452, 126815, 247777, 253630, 495554, 507260, 991108, 1238885, 2477770, 3221101, 4955540, 6442202, 12884404, 16105505, 32211010, 64422020]

約数ペア:

[(1, 64422020), (2, 32211010), (4, 16105505), (5, 12884404), (10, 6442202), (13, 4955540), (20, 3221101), (26, 2477770), (52, 1238885), (65, 991108), (127, 507260), (130, 495554), (254, 253630), (260, 247777), (508, 126815), (635, 101452), (1270, 50726), (1651, 39020), (1951, 33020), (2540, 25363), (3302, 19510), (3902, 16510), (6604, 9755), (7804, 8255)]