77783840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28597}}^1$

素因数の和:28629

約数の個数: 48

約数和(自身を含む): 194580792

約数和(自身を除く): 116796952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28597, 57194, 114388, 142985, 228776, 285970, 457552, 486149, 571940, 915104, 972298, 1143880, 1944596, 2287760, 2430745, 3889192, 4575520, 4861490, 7778384, 9722980, 15556768, 19445960, 38891920, 77783840]

約数ペア:

[(1, 77783840), (2, 38891920), (4, 19445960), (5, 15556768), (8, 9722980), (10, 7778384), (16, 4861490), (17, 4575520), (20, 3889192), (32, 2430745), (34, 2287760), (40, 1944596), (68, 1143880), (80, 972298), (85, 915104), (136, 571940), (160, 486149), (170, 457552), (272, 285970), (340, 228776), (544, 142985), (680, 114388), (1360, 57194), (2720, 28597)]