26938840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 62868960

約数和(自身を除く): 35930120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 97, 106, 131, 194, 212, 262, 265, 388, 424, 485, 524, 530, 655, 776, 970, 1048, 1060, 1310, 1940, 2120, 2620, 3880, 5141, 5240, 6943, 10282, 12707, 13886, 20564, 25414, 25705, 27772, 34715, 41128, 50828, 51410, 55544, 63535, 69430, 101656, 102820, 127070, 138860, 205640, 254140, 277720, 508280, 673471, 1346942, 2693884, 3367355, 5387768, 6734710, 13469420, 26938840]

約数ペア:

[(1, 26938840), (2, 13469420), (4, 6734710), (5, 5387768), (8, 3367355), (10, 2693884), (20, 1346942), (40, 673471), (53, 508280), (97, 277720), (106, 254140), (131, 205640), (194, 138860), (212, 127070), (262, 102820), (265, 101656), (388, 69430), (424, 63535), (485, 55544), (524, 51410), (530, 50828), (655, 41128), (776, 34715), (970, 27772), (1048, 25705), (1060, 25414), (1310, 20564), (1940, 13886), (2120, 12707), (2620, 10282), (3880, 6943), (5141, 5240)]