72586880

素因数分解:

$2^7\times 5^1\times {\mathrm{113417}}^1$

素因数の和:113436

約数の個数: 32

約数和(自身を含む): 173529540

約数和(自身を除く): 100942660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113417, 226834, 453668, 567085, 907336, 1134170, 1814672, 2268340, 3629344, 4536680, 7258688, 9073360, 14517376, 18146720, 36293440, 72586880]

約数ペア:

[(1, 72586880), (2, 36293440), (4, 18146720), (5, 14517376), (8, 9073360), (10, 7258688), (16, 4536680), (20, 3629344), (32, 2268340), (40, 1814672), (64, 1134170), (80, 907336), (128, 567085), (160, 453668), (320, 226834), (640, 113417)]