2080493840

素因数分解:

$2^4\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{15361}}^1$

素因数の和:17067

約数の個数: 40

約数和(自身を含む): 4840320408

約数和(自身を除く): 2759826568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1693, 3386, 6772, 8465, 13544, 15361, 16930, 27088, 30722, 33860, 61444, 67720, 76805, 122888, 135440, 153610, 245776, 307220, 614440, 1228880, 26006173, 52012346, 104024692, 130030865, 208049384, 260061730, 416098768, 520123460, 1040246920, 2080493840]

約数ペア:

[(1, 2080493840), (2, 1040246920), (4, 520123460), (5, 416098768), (8, 260061730), (10, 208049384), (16, 130030865), (20, 104024692), (40, 52012346), (80, 26006173), (1693, 1228880), (3386, 614440), (6772, 307220), (8465, 245776), (13544, 153610), (15361, 135440), (16930, 122888), (27088, 76805), (30722, 67720), (33860, 61444)]