133677640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 307359360

約数和(自身を除く): 173681720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 131, 194, 262, 263, 388, 485, 524, 526, 655, 776, 970, 1048, 1052, 1310, 1315, 1940, 2104, 2620, 2630, 3880, 5240, 5260, 10520, 12707, 25414, 25511, 34453, 50828, 51022, 63535, 68906, 101656, 102044, 127070, 127555, 137812, 172265, 204088, 254140, 255110, 275624, 344530, 508280, 510220, 689060, 1020440, 1378120, 3341941, 6683882, 13367764, 16709705, 26735528, 33419410, 66838820, 133677640]

約数ペア:

[(1, 133677640), (2, 66838820), (4, 33419410), (5, 26735528), (8, 16709705), (10, 13367764), (20, 6683882), (40, 3341941), (97, 1378120), (131, 1020440), (194, 689060), (262, 510220), (263, 508280), (388, 344530), (485, 275624), (524, 255110), (526, 254140), (655, 204088), (776, 172265), (970, 137812), (1048, 127555), (1052, 127070), (1310, 102044), (1315, 101656), (1940, 68906), (2104, 63535), (2620, 51022), (2630, 50828), (3880, 34453), (5240, 25511), (5260, 25414), (10520, 12707)]