18222100040

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{521}}^1\times {\mathrm{2477}}^1$

素因数の和:3362

約数の個数: 64

約数和(自身を含む): 41211419760

約数和(自身を除く): 22989319720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 521, 706, 1042, 1412, 1765, 2084, 2477, 2605, 2824, 3530, 4168, 4954, 5210, 7060, 9908, 10420, 12385, 14120, 19816, 20840, 24770, 49540, 99080, 183913, 367826, 735652, 874381, 919565, 1290517, 1471304, 1748762, 1839130, 2581034, 3497524, 3678260, 4371905, 5162068, 6452585, 6995048, 7356520, 8743810, 10324136, 12905170, 17487620, 25810340, 34975240, 51620680, 455552501, 911105002, 1822210004, 2277762505, 3644420008, 4555525010, 9111050020, 18222100040]

約数ペア:

[(1, 18222100040), (2, 9111050020), (4, 4555525010), (5, 3644420008), (8, 2277762505), (10, 1822210004), (20, 911105002), (40, 455552501), (353, 51620680), (521, 34975240), (706, 25810340), (1042, 17487620), (1412, 12905170), (1765, 10324136), (2084, 8743810), (2477, 7356520), (2605, 6995048), (2824, 6452585), (3530, 5162068), (4168, 4371905), (4954, 3678260), (5210, 3497524), (7060, 2581034), (9908, 1839130), (10420, 1748762), (12385, 1471304), (14120, 1290517), (19816, 919565), (20840, 874381), (24770, 735652), (49540, 367826), (99080, 183913)]