65977040

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3209}}^1$

素因数の和:3479

約数の個数: 40

約数和(自身を含む): 154041480

約数和(自身を除く): 88064440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 3209, 4112, 5140, 6418, 10280, 12836, 16045, 20560, 25672, 32090, 51344, 64180, 128360, 256720, 824713, 1649426, 3298852, 4123565, 6597704, 8247130, 13195408, 16494260, 32988520, 65977040]

約数ペア:

[(1, 65977040), (2, 32988520), (4, 16494260), (5, 13195408), (8, 8247130), (10, 6597704), (16, 4123565), (20, 3298852), (40, 1649426), (80, 824713), (257, 256720), (514, 128360), (1028, 64180), (1285, 51344), (2056, 32090), (2570, 25672), (3209, 20560), (4112, 16045), (5140, 12836), (6418, 10280)]