66893440

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 161372160

約数和(自身を除く): 94478720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 823, 1016, 1270, 1646, 2032, 2540, 3292, 4064, 4115, 5080, 6584, 8128, 8230, 10160, 13168, 16256, 16460, 20320, 26336, 32920, 40640, 52672, 65840, 81280, 104521, 105344, 131680, 209042, 263360, 418084, 522605, 526720, 836168, 1045210, 1672336, 2090420, 3344672, 4180840, 6689344, 8361680, 13378688, 16723360, 33446720, 66893440]

約数ペア:

[(1, 66893440), (2, 33446720), (4, 16723360), (5, 13378688), (8, 8361680), (10, 6689344), (16, 4180840), (20, 3344672), (32, 2090420), (40, 1672336), (64, 1045210), (80, 836168), (127, 526720), (128, 522605), (160, 418084), (254, 263360), (320, 209042), (508, 131680), (635, 105344), (640, 104521), (823, 81280), (1016, 65840), (1270, 52672), (1646, 40640), (2032, 32920), (2540, 26336), (3292, 20320), (4064, 16460), (4115, 16256), (5080, 13168), (6584, 10160), (8128, 8230)]