38783420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3469}}^1$

素因数の和:3534

約数の個数: 48

約数和(自身を含む): 89775840

約数和(自身を除く): 50992420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 3469, 5590, 6938, 11180, 13876, 17345, 34690, 45097, 69380, 90194, 149167, 180388, 225485, 298334, 450970, 596668, 745835, 901940, 1491670, 1939171, 2983340, 3878342, 7756684, 9695855, 19391710, 38783420]

約数ペア:

[(1, 38783420), (2, 19391710), (4, 9695855), (5, 7756684), (10, 3878342), (13, 2983340), (20, 1939171), (26, 1491670), (43, 901940), (52, 745835), (65, 596668), (86, 450970), (130, 298334), (172, 225485), (215, 180388), (260, 149167), (430, 90194), (559, 69380), (860, 45097), (1118, 34690), (2236, 17345), (2795, 13876), (3469, 11180), (5590, 6938)]