2009395760

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{67339}}^1$

素因数の和:67725

約数の個数: 40

約数和(自身を含む): 4684439760

約数和(自身を除く): 2675044000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2984, 3730, 5968, 7460, 14920, 29840, 67339, 134678, 269356, 336695, 538712, 673390, 1077424, 1346780, 2693560, 5387120, 25117447, 50234894, 100469788, 125587235, 200939576, 251174470, 401879152, 502348940, 1004697880, 2009395760]

約数ペア:

[(1, 2009395760), (2, 1004697880), (4, 502348940), (5, 401879152), (8, 251174470), (10, 200939576), (16, 125587235), (20, 100469788), (40, 50234894), (80, 25117447), (373, 5387120), (746, 2693560), (1492, 1346780), (1865, 1077424), (2984, 673390), (3730, 538712), (5968, 336695), (7460, 269356), (14920, 134678), (29840, 67339)]