16652720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 44782848

約数和(自身を除く): 28130128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 227, 262, 280, 454, 524, 560, 655, 908, 917, 1048, 1135, 1310, 1589, 1816, 1834, 2096, 2270, 2620, 3178, 3632, 3668, 4540, 4585, 5240, 6356, 7336, 7945, 9080, 9170, 10480, 12712, 14672, 15890, 18160, 18340, 25424, 29737, 31780, 36680, 59474, 63560, 73360, 118948, 127120, 148685, 208159, 237896, 297370, 416318, 475792, 594740, 832636, 1040795, 1189480, 1665272, 2081590, 2378960, 3330544, 4163180, 8326360, 16652720]

約数ペア:

[(1, 16652720), (2, 8326360), (4, 4163180), (5, 3330544), (7, 2378960), (8, 2081590), (10, 1665272), (14, 1189480), (16, 1040795), (20, 832636), (28, 594740), (35, 475792), (40, 416318), (56, 297370), (70, 237896), (80, 208159), (112, 148685), (131, 127120), (140, 118948), (227, 73360), (262, 63560), (280, 59474), (454, 36680), (524, 31780), (560, 29737), (655, 25424), (908, 18340), (917, 18160), (1048, 15890), (1135, 14672), (1310, 12712), (1589, 10480), (1816, 9170), (1834, 9080), (2096, 7945), (2270, 7336), (2620, 6356), (3178, 5240), (3632, 4585), (3668, 4540)]