1245115280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{160453}}^1$

素因数の和:160563

約数の個数: 40

約数和(自身を含む): 2924755512

約数和(自身を除く): 1679640232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 160453, 320906, 641812, 802265, 1283624, 1604530, 2567248, 3209060, 6418120, 12836240, 15563941, 31127882, 62255764, 77819705, 124511528, 155639410, 249023056, 311278820, 622557640, 1245115280]

約数ペア:

[(1, 1245115280), (2, 622557640), (4, 311278820), (5, 249023056), (8, 155639410), (10, 124511528), (16, 77819705), (20, 62255764), (40, 31127882), (80, 15563941), (97, 12836240), (194, 6418120), (388, 3209060), (485, 2567248), (776, 1604530), (970, 1283624), (1552, 802265), (1940, 641812), (3880, 320906), (7760, 160453)]