80180384

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 164457216

約数和(自身を除く): 84276832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 131, 248, 262, 496, 524, 617, 992, 1048, 1234, 2096, 2468, 4061, 4192, 4936, 8122, 9872, 16244, 19127, 19744, 32488, 38254, 64976, 76508, 80827, 129952, 153016, 161654, 306032, 323308, 612064, 646616, 1293232, 2505637, 2586464, 5011274, 10022548, 20045096, 40090192, 80180384]

約数ペア:

[(1, 80180384), (2, 40090192), (4, 20045096), (8, 10022548), (16, 5011274), (31, 2586464), (32, 2505637), (62, 1293232), (124, 646616), (131, 612064), (248, 323308), (262, 306032), (496, 161654), (524, 153016), (617, 129952), (992, 80827), (1048, 76508), (1234, 64976), (2096, 38254), (2468, 32488), (4061, 19744), (4192, 19127), (4936, 16244), (8122, 9872)]