64287760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34939}}^1$

素因数の和:34975

約数の個数: 40

約数和(自身を含む): 155972160

約数和(自身を除く): 91684400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 34939, 69878, 139756, 174695, 279512, 349390, 559024, 698780, 803597, 1397560, 1607194, 2795120, 3214388, 4017985, 6428776, 8035970, 12857552, 16071940, 32143880, 64287760]

約数ペア:

[(1, 64287760), (2, 32143880), (4, 16071940), (5, 12857552), (8, 8035970), (10, 6428776), (16, 4017985), (20, 3214388), (23, 2795120), (40, 1607194), (46, 1397560), (80, 803597), (92, 698780), (115, 559024), (184, 349390), (230, 279512), (368, 174695), (460, 139756), (920, 69878), (1840, 34939)]