87758320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6491}}^1$

素因数の和:6530

約数の個数: 60

約数和(自身を含む): 220974696

約数和(自身を除く): 133216376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6491, 6760, 12982, 13520, 25964, 32455, 51928, 64910, 84383, 103856, 129820, 168766, 259640, 337532, 421915, 519280, 675064, 843830, 1096979, 1350128, 1687660, 2193958, 3375320, 4387916, 5484895, 6750640, 8775832, 10969790, 17551664, 21939580, 43879160, 87758320]

約数ペア:

[(1, 87758320), (2, 43879160), (4, 21939580), (5, 17551664), (8, 10969790), (10, 8775832), (13, 6750640), (16, 5484895), (20, 4387916), (26, 3375320), (40, 2193958), (52, 1687660), (65, 1350128), (80, 1096979), (104, 843830), (130, 675064), (169, 519280), (208, 421915), (260, 337532), (338, 259640), (520, 168766), (676, 129820), (845, 103856), (1040, 84383), (1352, 64910), (1690, 51928), (2704, 32455), (3380, 25964), (6491, 13520), (6760, 12982)]