2013478240

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{206299}}^1$

素因数の和:206375

約数の個数: 48

約数和(自身を含む): 4834846800

約数和(自身を除く): 2821368560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 206299, 412598, 825196, 1031495, 1650392, 2062990, 3300784, 4125980, 6601568, 8251960, 12584239, 16503920, 25168478, 33007840, 50336956, 62921195, 100673912, 125842390, 201347824, 251684780, 402695648, 503369560, 1006739120, 2013478240]

約数ペア:

[(1, 2013478240), (2, 1006739120), (4, 503369560), (5, 402695648), (8, 251684780), (10, 201347824), (16, 125842390), (20, 100673912), (32, 62921195), (40, 50336956), (61, 33007840), (80, 25168478), (122, 16503920), (160, 12584239), (244, 8251960), (305, 6601568), (488, 4125980), (610, 3300784), (976, 2062990), (1220, 1650392), (1952, 1031495), (2440, 825196), (4880, 412598), (9760, 206299)]