38154220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 86774688

約数和(自身を除く): 48620468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 571, 1028, 1142, 1285, 2284, 2570, 2855, 3341, 5140, 5710, 6682, 7423, 11420, 13364, 14846, 16705, 29692, 33410, 37115, 66820, 74230, 146747, 148460, 293494, 586988, 733735, 1467470, 1907711, 2934940, 3815422, 7630844, 9538555, 19077110, 38154220]

約数ペア:

[(1, 38154220), (2, 19077110), (4, 9538555), (5, 7630844), (10, 3815422), (13, 2934940), (20, 1907711), (26, 1467470), (52, 733735), (65, 586988), (130, 293494), (257, 148460), (260, 146747), (514, 74230), (571, 66820), (1028, 37115), (1142, 33410), (1285, 29692), (2284, 16705), (2570, 14846), (2855, 13364), (3341, 11420), (5140, 7423), (5710, 6682)]