16027720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 38329200

約数和(自身を除く): 22301480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 337, 410, 580, 674, 820, 1160, 1189, 1348, 1640, 1685, 2378, 2696, 3370, 4756, 5945, 6740, 9512, 9773, 11890, 13480, 13817, 19546, 23780, 27634, 39092, 47560, 48865, 55268, 69085, 78184, 97730, 110536, 138170, 195460, 276340, 390920, 400693, 552680, 801386, 1602772, 2003465, 3205544, 4006930, 8013860, 16027720]

約数ペア:

[(1, 16027720), (2, 8013860), (4, 4006930), (5, 3205544), (8, 2003465), (10, 1602772), (20, 801386), (29, 552680), (40, 400693), (41, 390920), (58, 276340), (82, 195460), (116, 138170), (145, 110536), (164, 97730), (205, 78184), (232, 69085), (290, 55268), (328, 48865), (337, 47560), (410, 39092), (580, 27634), (674, 23780), (820, 19546), (1160, 13817), (1189, 13480), (1348, 11890), (1640, 9773), (1685, 9512), (2378, 6740), (2696, 5945), (3370, 4756)]