2098488320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{409861}}^1$

素因数の和:409886

約数の個数: 44

約数和(自身を含む): 5033925084

約数和(自身を除く): 2935436764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 409861, 819722, 1639444, 2049305, 3278888, 4098610, 6557776, 8197220, 13115552, 16394440, 26231104, 32788880, 52462208, 65577760, 104924416, 131155520, 209848832, 262311040, 419697664, 524622080, 1049244160, 2098488320]

約数ペア:

[(1, 2098488320), (2, 1049244160), (4, 524622080), (5, 419697664), (8, 262311040), (10, 209848832), (16, 131155520), (20, 104924416), (32, 65577760), (40, 52462208), (64, 32788880), (80, 26231104), (128, 16394440), (160, 13115552), (256, 8197220), (320, 6557776), (512, 4098610), (640, 3278888), (1024, 2049305), (1280, 1639444), (2560, 819722), (5120, 409861)]