12658581260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:1155

約数の個数: 96

約数和(自身を含む): 28872305280

約数和(自身を除く): 16213724020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 389, 487, 514, 778, 974, 1028, 1285, 1556, 1945, 1948, 2435, 2570, 3341, 3890, 4870, 5057, 5140, 6331, 6682, 7780, 9740, 10114, 12662, 13364, 16705, 20228, 25285, 25324, 31655, 33410, 50570, 63310, 66820, 99973, 101140, 125159, 126620, 189443, 199946, 250318, 378886, 399892, 499865, 500636, 625795, 757772, 947215, 999730, 1251590, 1299649, 1627067, 1894430, 1999460, 2462759, 2503180, 2599298, 3254134, 3788860, 4925518, 5198596, 6498245, 6508268, 8135335, 9851036, 12313795, 12996490, 16270670, 24627590, 25992980, 32541340, 48686851, 49255180, 97373702, 194747404, 243434255, 486868510, 632929063, 973737020, 1265858126, 2531716252, 3164645315, 6329290630, 12658581260]

約数ペア:

[(1, 12658581260), (2, 6329290630), (4, 3164645315), (5, 2531716252), (10, 1265858126), (13, 973737020), (20, 632929063), (26, 486868510), (52, 243434255), (65, 194747404), (130, 97373702), (257, 49255180), (260, 48686851), (389, 32541340), (487, 25992980), (514, 24627590), (778, 16270670), (974, 12996490), (1028, 12313795), (1285, 9851036), (1556, 8135335), (1945, 6508268), (1948, 6498245), (2435, 5198596), (2570, 4925518), (3341, 3788860), (3890, 3254134), (4870, 2599298), (5057, 2503180), (5140, 2462759), (6331, 1999460), (6682, 1894430), (7780, 1627067), (9740, 1299649), (10114, 1251590), (12662, 999730), (13364, 947215), (16705, 757772), (20228, 625795), (25285, 500636), (25324, 499865), (31655, 399892), (33410, 378886), (50570, 250318), (63310, 199946), (66820, 189443), (99973, 126620), (101140, 125159)]