16642280

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{739}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 37562400

約数和(自身を除く): 20920120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 739, 1126, 1478, 2252, 2815, 2956, 3695, 4504, 5630, 5912, 7390, 11260, 14780, 22520, 29560, 416057, 832114, 1664228, 2080285, 3328456, 4160570, 8321140, 16642280]

約数ペア:

[(1, 16642280), (2, 8321140), (4, 4160570), (5, 3328456), (8, 2080285), (10, 1664228), (20, 832114), (40, 416057), (563, 29560), (739, 22520), (1126, 14780), (1478, 11260), (2252, 7390), (2815, 5912), (2956, 5630), (3695, 4504)]