49968880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2138

約数の個数: 80

約数和(自身を含む): 130616640

約数和(自身を除く): 80647760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2089, 2392, 2990, 4178, 4784, 5980, 8356, 10445, 11960, 16712, 20890, 23920, 27157, 33424, 41780, 48047, 54314, 83560, 96094, 108628, 135785, 167120, 192188, 217256, 240235, 271570, 384376, 434512, 480470, 543140, 624611, 768752, 960940, 1086280, 1249222, 1921880, 2172560, 2498444, 3123055, 3843760, 4996888, 6246110, 9993776, 12492220, 24984440, 49968880]

約数ペア:

[(1, 49968880), (2, 24984440), (4, 12492220), (5, 9993776), (8, 6246110), (10, 4996888), (13, 3843760), (16, 3123055), (20, 2498444), (23, 2172560), (26, 1921880), (40, 1249222), (46, 1086280), (52, 960940), (65, 768752), (80, 624611), (92, 543140), (104, 480470), (115, 434512), (130, 384376), (184, 271570), (208, 240235), (230, 217256), (260, 192188), (299, 167120), (368, 135785), (460, 108628), (520, 96094), (598, 83560), (920, 54314), (1040, 48047), (1196, 41780), (1495, 33424), (1840, 27157), (2089, 23920), (2392, 20890), (2990, 16712), (4178, 11960), (4784, 10445), (5980, 8356)]