38724140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21277}}^1$

素因数の和:21306

約数の個数: 48

約数和(自身を含む): 100091712

約数和(自身を除く): 61367572

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21277, 42554, 85108, 106385, 148939, 212770, 276601, 297878, 425540, 553202, 595756, 744695, 1106404, 1383005, 1489390, 1936207, 2766010, 2978780, 3872414, 5532020, 7744828, 9681035, 19362070, 38724140]

約数ペア:

[(1, 38724140), (2, 19362070), (4, 9681035), (5, 7744828), (7, 5532020), (10, 3872414), (13, 2978780), (14, 2766010), (20, 1936207), (26, 1489390), (28, 1383005), (35, 1106404), (52, 744695), (65, 595756), (70, 553202), (91, 425540), (130, 297878), (140, 276601), (182, 212770), (260, 148939), (364, 106385), (455, 85108), (910, 42554), (1820, 21277)]