55260880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 137401920

約数和(自身を除く): 82141040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 227, 272, 340, 358, 454, 680, 716, 895, 908, 1135, 1360, 1432, 1790, 1816, 2270, 2864, 3043, 3580, 3632, 3859, 4540, 6086, 7160, 7718, 9080, 12172, 14320, 15215, 15436, 18160, 19295, 24344, 30430, 30872, 38590, 40633, 48688, 60860, 61744, 77180, 81266, 121720, 154360, 162532, 203165, 243440, 308720, 325064, 406330, 650128, 690761, 812660, 1381522, 1625320, 2763044, 3250640, 3453805, 5526088, 6907610, 11052176, 13815220, 27630440, 55260880]

約数ペア:

[(1, 55260880), (2, 27630440), (4, 13815220), (5, 11052176), (8, 6907610), (10, 5526088), (16, 3453805), (17, 3250640), (20, 2763044), (34, 1625320), (40, 1381522), (68, 812660), (80, 690761), (85, 650128), (136, 406330), (170, 325064), (179, 308720), (227, 243440), (272, 203165), (340, 162532), (358, 154360), (454, 121720), (680, 81266), (716, 77180), (895, 61744), (908, 60860), (1135, 48688), (1360, 40633), (1432, 38590), (1790, 30872), (1816, 30430), (2270, 24344), (2864, 19295), (3043, 18160), (3580, 15436), (3632, 15215), (3859, 14320), (4540, 12172), (6086, 9080), (7160, 7718)]