20161606325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1\times {\mathrm{947}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 30276222912

約数和(自身を除く): 10114616587

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 337, 361, 475, 665, 947, 1685, 1805, 2359, 2527, 3325, 4735, 6403, 6629, 8425, 9025, 11795, 12635, 17993, 23675, 32015, 33145, 44821, 58975, 63175, 89965, 121657, 125951, 160075, 165725, 224105, 319139, 341867, 449825, 608285, 629755, 851599, 1120525, 1595695, 1709335, 2233973, 2393069, 3041425, 3148775, 4257995, 6063641, 7978475, 8546675, 11169865, 11965345, 21289975, 30318205, 42445487, 55849325, 59826725, 115209179, 151591025, 212227435, 576045895, 806464253, 1061137175, 2880229475, 4032321265, 20161606325]

約数ペア:

[(1, 20161606325), (5, 4032321265), (7, 2880229475), (19, 1061137175), (25, 806464253), (35, 576045895), (95, 212227435), (133, 151591025), (175, 115209179), (337, 59826725), (361, 55849325), (475, 42445487), (665, 30318205), (947, 21289975), (1685, 11965345), (1805, 11169865), (2359, 8546675), (2527, 7978475), (3325, 6063641), (4735, 4257995), (6403, 3148775), (6629, 3041425), (8425, 2393069), (9025, 2233973), (11795, 1709335), (12635, 1595695), (17993, 1120525), (23675, 851599), (32015, 629755), (33145, 608285), (44821, 449825), (58975, 341867), (63175, 319139), (89965, 224105), (121657, 165725), (125951, 160075)]