39717860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 104052480

約数和(自身を除く): 64334620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 139, 140, 157, 182, 260, 278, 314, 364, 455, 556, 628, 695, 785, 910, 973, 1099, 1390, 1570, 1807, 1820, 1946, 2041, 2198, 2780, 3140, 3614, 3892, 4082, 4396, 4865, 5495, 7228, 8164, 9035, 9730, 10205, 10990, 12649, 14287, 18070, 19460, 20410, 21823, 21980, 25298, 28574, 36140, 40820, 43646, 50596, 57148, 63245, 71435, 87292, 109115, 126490, 142870, 152761, 218230, 252980, 283699, 285740, 305522, 436460, 567398, 611044, 763805, 1134796, 1418495, 1527610, 1985893, 2836990, 3055220, 3971786, 5673980, 7943572, 9929465, 19858930, 39717860]

約数ペア:

[(1, 39717860), (2, 19858930), (4, 9929465), (5, 7943572), (7, 5673980), (10, 3971786), (13, 3055220), (14, 2836990), (20, 1985893), (26, 1527610), (28, 1418495), (35, 1134796), (52, 763805), (65, 611044), (70, 567398), (91, 436460), (130, 305522), (139, 285740), (140, 283699), (157, 252980), (182, 218230), (260, 152761), (278, 142870), (314, 126490), (364, 109115), (455, 87292), (556, 71435), (628, 63245), (695, 57148), (785, 50596), (910, 43646), (973, 40820), (1099, 36140), (1390, 28574), (1570, 25298), (1807, 21980), (1820, 21823), (1946, 20410), (2041, 19460), (2198, 18070), (2780, 14287), (3140, 12649), (3614, 10990), (3892, 10205), (4082, 9730), (4396, 9035), (4865, 8164), (5495, 7228)]