16570450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 34922988

約数和(自身を除く): 18352538

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 53, 65, 74, 106, 130, 169, 185, 265, 325, 338, 370, 481, 530, 650, 689, 845, 925, 962, 1325, 1378, 1690, 1850, 1961, 2405, 2650, 3445, 3922, 4225, 4810, 6253, 6890, 8450, 8957, 9805, 12025, 12506, 17225, 17914, 19610, 24050, 25493, 31265, 34450, 44785, 49025, 50986, 62530, 89570, 98050, 127465, 156325, 223925, 254930, 312650, 331409, 447850, 637325, 662818, 1274650, 1657045, 3314090, 8285225, 16570450]

約数ペア:

[(1, 16570450), (2, 8285225), (5, 3314090), (10, 1657045), (13, 1274650), (25, 662818), (26, 637325), (37, 447850), (50, 331409), (53, 312650), (65, 254930), (74, 223925), (106, 156325), (130, 127465), (169, 98050), (185, 89570), (265, 62530), (325, 50986), (338, 49025), (370, 44785), (481, 34450), (530, 31265), (650, 25493), (689, 24050), (845, 19610), (925, 17914), (962, 17225), (1325, 12506), (1378, 12025), (1690, 9805), (1850, 8957), (1961, 8450), (2405, 6890), (2650, 6253), (3445, 4810), (3922, 4225)]