16644640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4523}}^1$

素因数の和:4561

約数の個数: 48

約数和(自身を含む): 41041728

約数和(自身を除く): 24397088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 4523, 9046, 18092, 22615, 36184, 45230, 72368, 90460, 104029, 144736, 180920, 208058, 361840, 416116, 520145, 723680, 832232, 1040290, 1664464, 2080580, 3328928, 4161160, 8322320, 16644640]

約数ペア:

[(1, 16644640), (2, 8322320), (4, 4161160), (5, 3328928), (8, 2080580), (10, 1664464), (16, 1040290), (20, 832232), (23, 723680), (32, 520145), (40, 416116), (46, 361840), (80, 208058), (92, 180920), (115, 144736), (160, 104029), (184, 90460), (230, 72368), (368, 45230), (460, 36184), (736, 22615), (920, 18092), (1840, 9046), (3680, 4523)]