40836040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 116328960

約数和(自身を除く): 75492920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 322, 340, 373, 391, 460, 476, 595, 644, 680, 746, 782, 805, 920, 952, 1190, 1288, 1492, 1564, 1610, 1865, 1955, 2380, 2611, 2737, 2984, 3128, 3220, 3730, 3910, 4760, 5222, 5474, 6341, 6440, 7460, 7820, 8579, 10444, 10948, 12682, 13055, 13685, 14920, 15640, 17158, 20888, 21896, 25364, 26110, 27370, 31705, 34316, 42895, 44387, 50728, 52220, 54740, 60053, 63410, 68632, 85790, 88774, 104440, 109480, 120106, 126820, 145843, 171580, 177548, 221935, 240212, 253640, 291686, 300265, 343160, 355096, 443870, 480424, 583372, 600530, 729215, 887740, 1020901, 1166744, 1201060, 1458430, 1775480, 2041802, 2402120, 2916860, 4083604, 5104505, 5833720, 8167208, 10209010, 20418020, 40836040]

約数ペア:

[(1, 40836040), (2, 20418020), (4, 10209010), (5, 8167208), (7, 5833720), (8, 5104505), (10, 4083604), (14, 2916860), (17, 2402120), (20, 2041802), (23, 1775480), (28, 1458430), (34, 1201060), (35, 1166744), (40, 1020901), (46, 887740), (56, 729215), (68, 600530), (70, 583372), (85, 480424), (92, 443870), (115, 355096), (119, 343160), (136, 300265), (140, 291686), (161, 253640), (170, 240212), (184, 221935), (230, 177548), (238, 171580), (280, 145843), (322, 126820), (340, 120106), (373, 109480), (391, 104440), (460, 88774), (476, 85790), (595, 68632), (644, 63410), (680, 60053), (746, 54740), (782, 52220), (805, 50728), (920, 44387), (952, 42895), (1190, 34316), (1288, 31705), (1492, 27370), (1564, 26110), (1610, 25364), (1865, 21896), (1955, 20888), (2380, 17158), (2611, 15640), (2737, 14920), (2984, 13685), (3128, 13055), (3220, 12682), (3730, 10948), (3910, 10444), (4760, 8579), (5222, 7820), (5474, 7460), (6341, 6440)]