25540864

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 55188000

約数和(自身を除く): 29647136

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 89, 118, 128, 152, 178, 236, 256, 304, 356, 472, 608, 712, 944, 1121, 1216, 1424, 1691, 1888, 2242, 2432, 2848, 3382, 3776, 4484, 4864, 5251, 5696, 6764, 7552, 8968, 10502, 11392, 13528, 15104, 17936, 21004, 22784, 27056, 35872, 42008, 54112, 71744, 84016, 99769, 108224, 143488, 168032, 199538, 216448, 286976, 336064, 399076, 432896, 672128, 798152, 1344256, 1596304, 3192608, 6385216, 12770432, 25540864]

約数ペア:

[(1, 25540864), (2, 12770432), (4, 6385216), (8, 3192608), (16, 1596304), (19, 1344256), (32, 798152), (38, 672128), (59, 432896), (64, 399076), (76, 336064), (89, 286976), (118, 216448), (128, 199538), (152, 168032), (178, 143488), (236, 108224), (256, 99769), (304, 84016), (356, 71744), (472, 54112), (608, 42008), (712, 35872), (944, 27056), (1121, 22784), (1216, 21004), (1424, 17936), (1691, 15104), (1888, 13528), (2242, 11392), (2432, 10502), (2848, 8968), (3382, 7552), (3776, 6764), (4484, 5696), (4864, 5251)]