87886720

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2591}}^1$

素因数の和:2663

約数の個数: 64

約数和(自身を含む): 214151040

約数和(自身を除く): 126264320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2591, 3392, 4240, 5182, 6784, 8480, 10364, 12955, 16960, 20728, 25910, 33920, 41456, 51820, 82912, 103640, 137323, 165824, 207280, 274646, 331648, 414560, 549292, 686615, 829120, 1098584, 1373230, 1658240, 2197168, 2746460, 4394336, 5492920, 8788672, 10985840, 17577344, 21971680, 43943360, 87886720]

約数ペア:

[(1, 87886720), (2, 43943360), (4, 21971680), (5, 17577344), (8, 10985840), (10, 8788672), (16, 5492920), (20, 4394336), (32, 2746460), (40, 2197168), (53, 1658240), (64, 1373230), (80, 1098584), (106, 829120), (128, 686615), (160, 549292), (212, 414560), (265, 331648), (320, 274646), (424, 207280), (530, 165824), (640, 137323), (848, 103640), (1060, 82912), (1696, 51820), (2120, 41456), (2591, 33920), (3392, 25910), (4240, 20728), (5182, 16960), (6784, 12955), (8480, 10364)]