1570223440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{220537}}^1$

素因数の和:220639

約数の個数: 40

約数和(自身を含む): 3691806120

約数和(自身を除く): 2121582680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 220537, 441074, 882148, 1102685, 1764296, 2205370, 3528592, 4410740, 8821480, 17642960, 19627793, 39255586, 78511172, 98138965, 157022344, 196277930, 314044688, 392555860, 785111720, 1570223440]

約数ペア:

[(1, 1570223440), (2, 785111720), (4, 392555860), (5, 314044688), (8, 196277930), (10, 157022344), (16, 98138965), (20, 78511172), (40, 39255586), (80, 19627793), (89, 17642960), (178, 8821480), (356, 4410740), (445, 3528592), (712, 2205370), (890, 1764296), (1424, 1102685), (1780, 882148), (3560, 441074), (7120, 220537)]