201639440

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{5821}}^1$

素因数の和:6267

約数の個数: 40

約数和(自身を含む): 469975128

約数和(自身を除く): 268335688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 866, 1732, 2165, 3464, 4330, 5821, 6928, 8660, 11642, 17320, 23284, 29105, 34640, 46568, 58210, 93136, 116420, 232840, 465680, 2520493, 5040986, 10081972, 12602465, 20163944, 25204930, 40327888, 50409860, 100819720, 201639440]

約数ペア:

[(1, 201639440), (2, 100819720), (4, 50409860), (5, 40327888), (8, 25204930), (10, 20163944), (16, 12602465), (20, 10081972), (40, 5040986), (80, 2520493), (433, 465680), (866, 232840), (1732, 116420), (2165, 93136), (3464, 58210), (4330, 46568), (5821, 34640), (6928, 29105), (8660, 23284), (11642, 17320)]