39775840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1471}}^1$

素因数の和:1512

約数の個数: 72

約数和(自身を含む): 101824128

約数和(自身を除く): 62048288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1471, 1690, 2080, 2704, 2942, 3380, 5408, 5884, 6760, 7355, 11768, 13520, 14710, 19123, 23536, 27040, 29420, 38246, 47072, 58840, 76492, 95615, 117680, 152984, 191230, 235360, 248599, 305968, 382460, 497198, 611936, 764920, 994396, 1242995, 1529840, 1988792, 2485990, 3059680, 3977584, 4971980, 7955168, 9943960, 19887920, 39775840]

約数ペア:

[(1, 39775840), (2, 19887920), (4, 9943960), (5, 7955168), (8, 4971980), (10, 3977584), (13, 3059680), (16, 2485990), (20, 1988792), (26, 1529840), (32, 1242995), (40, 994396), (52, 764920), (65, 611936), (80, 497198), (104, 382460), (130, 305968), (160, 248599), (169, 235360), (208, 191230), (260, 152984), (338, 117680), (416, 95615), (520, 76492), (676, 58840), (845, 47072), (1040, 38246), (1352, 29420), (1471, 27040), (1690, 23536), (2080, 19123), (2704, 14710), (2942, 13520), (3380, 11768), (5408, 7355), (5884, 6760)]