40342688

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 82459944

約数和(自身を除く): 42117256

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 97, 164, 194, 317, 328, 388, 634, 656, 776, 1268, 1312, 1552, 2536, 3104, 3977, 5072, 7954, 10144, 12997, 15908, 25994, 30749, 31816, 51988, 61498, 63632, 103976, 122996, 127264, 207952, 245992, 415904, 491984, 983968, 1260709, 2521418, 5042836, 10085672, 20171344, 40342688]

約数ペア:

[(1, 40342688), (2, 20171344), (4, 10085672), (8, 5042836), (16, 2521418), (32, 1260709), (41, 983968), (82, 491984), (97, 415904), (164, 245992), (194, 207952), (317, 127264), (328, 122996), (388, 103976), (634, 63632), (656, 61498), (776, 51988), (1268, 31816), (1312, 30749), (1552, 25994), (2536, 15908), (3104, 12997), (3977, 10144), (5072, 7954)]