25241728

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 53978400

約数和(自身を除く): 28736672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 97, 107, 128, 152, 194, 214, 304, 388, 428, 608, 776, 856, 1216, 1552, 1712, 1843, 2033, 2432, 3104, 3424, 3686, 4066, 6208, 6848, 7372, 8132, 10379, 12416, 13696, 14744, 16264, 20758, 29488, 32528, 41516, 58976, 65056, 83032, 117952, 130112, 166064, 197201, 235904, 260224, 332128, 394402, 664256, 788804, 1328512, 1577608, 3155216, 6310432, 12620864, 25241728]

約数ペア:

[(1, 25241728), (2, 12620864), (4, 6310432), (8, 3155216), (16, 1577608), (19, 1328512), (32, 788804), (38, 664256), (64, 394402), (76, 332128), (97, 260224), (107, 235904), (128, 197201), (152, 166064), (194, 130112), (214, 117952), (304, 83032), (388, 65056), (428, 58976), (608, 41516), (776, 32528), (856, 29488), (1216, 20758), (1552, 16264), (1712, 14744), (1843, 13696), (2033, 12416), (2432, 10379), (3104, 8132), (3424, 7372), (3686, 6848), (4066, 6208)]