161422040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23879}}^1$

素因数の和:23916

約数の個数: 48

約数和(自身を含む): 393303600

約数和(自身を除く): 231881560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 23879, 47758, 95516, 119395, 191032, 238790, 310427, 477580, 620854, 955160, 1241708, 1552135, 2483416, 3104270, 4035551, 6208540, 8071102, 12417080, 16142204, 20177755, 32284408, 40355510, 80711020, 161422040]

約数ペア:

[(1, 161422040), (2, 80711020), (4, 40355510), (5, 32284408), (8, 20177755), (10, 16142204), (13, 12417080), (20, 8071102), (26, 6208540), (40, 4035551), (52, 3104270), (65, 2483416), (104, 1552135), (130, 1241708), (169, 955160), (260, 620854), (338, 477580), (520, 310427), (676, 238790), (845, 191032), (1352, 119395), (1690, 95516), (3380, 47758), (6760, 23879)]