81394240

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11059}}^1$

素因数の和:11099

約数の個数: 56

約数和(自身を含む): 202265280

約数和(自身を除く): 120871040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 11059, 22118, 44236, 55295, 88472, 110590, 176944, 221180, 254357, 353888, 442360, 508714, 707776, 884720, 1017428, 1271785, 1769440, 2034856, 2543570, 3538880, 4069712, 5087140, 8139424, 10174280, 16278848, 20348560, 40697120, 81394240]

約数ペア:

[(1, 81394240), (2, 40697120), (4, 20348560), (5, 16278848), (8, 10174280), (10, 8139424), (16, 5087140), (20, 4069712), (23, 3538880), (32, 2543570), (40, 2034856), (46, 1769440), (64, 1271785), (80, 1017428), (92, 884720), (115, 707776), (160, 508714), (184, 442360), (230, 353888), (320, 254357), (368, 221180), (460, 176944), (736, 110590), (920, 88472), (1472, 55295), (1840, 44236), (3680, 22118), (7360, 11059)]