66538240

素因数分解:

$2^8\times 5^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 160781040

約数和(自身を除く): 94242800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 229, 256, 320, 454, 458, 640, 908, 916, 1135, 1145, 1280, 1816, 1832, 2270, 2290, 3632, 3664, 4540, 4580, 7264, 7328, 9080, 9160, 14528, 14656, 18160, 18320, 29056, 29312, 36320, 36640, 51983, 58112, 58624, 72640, 73280, 103966, 145280, 146560, 207932, 259915, 290560, 293120, 415864, 519830, 831728, 1039660, 1663456, 2079320, 3326912, 4158640, 6653824, 8317280, 13307648, 16634560, 33269120, 66538240]

約数ペア:

[(1, 66538240), (2, 33269120), (4, 16634560), (5, 13307648), (8, 8317280), (10, 6653824), (16, 4158640), (20, 3326912), (32, 2079320), (40, 1663456), (64, 1039660), (80, 831728), (128, 519830), (160, 415864), (227, 293120), (229, 290560), (256, 259915), (320, 207932), (454, 146560), (458, 145280), (640, 103966), (908, 73280), (916, 72640), (1135, 58624), (1145, 58112), (1280, 51983), (1816, 36640), (1832, 36320), (2270, 29312), (2290, 29056), (3632, 18320), (3664, 18160), (4540, 14656), (4580, 14528), (7264, 9160), (7328, 9080)]