25939808

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 53544960

約数和(自身を除く): 27605152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 316, 331, 496, 632, 662, 992, 1264, 1324, 2449, 2528, 2648, 4898, 5296, 9796, 10261, 10592, 19592, 20522, 26149, 39184, 41044, 52298, 78368, 82088, 104596, 164176, 209192, 328352, 418384, 810619, 836768, 1621238, 3242476, 6484952, 12969904, 25939808]

約数ペア:

[(1, 25939808), (2, 12969904), (4, 6484952), (8, 3242476), (16, 1621238), (31, 836768), (32, 810619), (62, 418384), (79, 328352), (124, 209192), (158, 164176), (248, 104596), (316, 82088), (331, 78368), (496, 52298), (632, 41044), (662, 39184), (992, 26149), (1264, 20522), (1324, 19592), (2449, 10592), (2528, 10261), (2648, 9796), (4898, 5296)]