78055840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28697}}^1$

素因数の和:28729

約数の個数: 48

約数和(自身を含む): 195261192

約数和(自身を除く): 117205352

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, 28697, 57394, 114788, 143485, 229576, 286970, 459152, 487849, 573940, 918304, 975698, 1147880, 1951396, 2295760, 2439245, 3902792, 4591520, 4878490, 7805584, 9756980, 15611168, 19513960, 39027920, 78055840]

約数ペア:

[(1, 78055840), (2, 39027920), (4, 19513960), (5, 15611168), (8, 9756980), (10, 7805584), (16, 4878490), (17, 4591520), (20, 3902792), (32, 2439245), (34, 2295760), (40, 1951396), (68, 1147880), (80, 975698), (85, 918304), (136, 573940), (160, 487849), (170, 459152), (272, 286970), (340, 229576), (544, 143485), (680, 114788), (1360, 57394), (2720, 28697)]