28559960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5028

約数の個数: 64

約数和(自身を含む): 75509280

約数和(自身を除く): 46949320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4993, 5720, 9986, 19972, 24965, 39944, 49930, 54923, 64909, 99860, 109846, 129818, 199720, 219692, 259636, 274615, 324545, 439384, 519272, 549230, 649090, 713999, 1098460, 1298180, 1427998, 2196920, 2596360, 2855996, 3569995, 5711992, 7139990, 14279980, 28559960]

約数ペア:

[(1, 28559960), (2, 14279980), (4, 7139990), (5, 5711992), (8, 3569995), (10, 2855996), (11, 2596360), (13, 2196920), (20, 1427998), (22, 1298180), (26, 1098460), (40, 713999), (44, 649090), (52, 549230), (55, 519272), (65, 439384), (88, 324545), (104, 274615), (110, 259636), (130, 219692), (143, 199720), (220, 129818), (260, 109846), (286, 99860), (440, 64909), (520, 54923), (572, 49930), (715, 39944), (1144, 24965), (1430, 19972), (2860, 9986), (4993, 5720)]