39941720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10973}}^1$

素因数の和:11004

約数の個数: 64

約数和(自身を含む): 110617920

約数和(自身を除く): 70676200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 10973, 21946, 43892, 54865, 76811, 87784, 109730, 142649, 153622, 219460, 285298, 307244, 384055, 438920, 570596, 614488, 713245, 768110, 998543, 1141192, 1426490, 1536220, 1997086, 2852980, 3072440, 3994172, 4992715, 5705960, 7988344, 9985430, 19970860, 39941720]

約数ペア:

[(1, 39941720), (2, 19970860), (4, 9985430), (5, 7988344), (7, 5705960), (8, 4992715), (10, 3994172), (13, 3072440), (14, 2852980), (20, 1997086), (26, 1536220), (28, 1426490), (35, 1141192), (40, 998543), (52, 768110), (56, 713245), (65, 614488), (70, 570596), (91, 438920), (104, 384055), (130, 307244), (140, 285298), (182, 219460), (260, 153622), (280, 142649), (364, 109730), (455, 87784), (520, 76811), (728, 54865), (910, 43892), (1820, 21946), (3640, 10973)]